European Commission President Ursula von der Leyen and European Council President Charles Michel arrive for a meeting of the Conference of Presidents at the European Parliament in Brussels, Belgium April 13, 2021. Francisco Seco/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu attends a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

A casket containing the remains of late U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, is carried as it arrives to lie in honor in the rotunda at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

European Commission President Ursula von der Leyen listens to statements during a meeting of the Conference of Presidents at the European Parliament in Brussels, Belgium April 13, 2021. Francisco Seco/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu hugs a bereaved father at a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu holds a certificate for veteran soldiers at a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu speaks at a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu speaks at a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu speaks at a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu speaks at a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu attends a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu speaks at a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu speaks at a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu attends a ceremony for fallen soldiers of Israel's wars at the Yad Lebanim House on the eve of Memorial Day, in Jerusalem, April 13, 2021. Debbie Hill/Pool via REUTERS

Israeli Prime Minister Benjamin Netanyahu attends the ceremony for fallen soldiers of Israel's wars at the Yad LeBanim House in Jerusalem on Tuesday, April 13, 2021, on the eve of Memorial Day in Israel. POOL Photo by Debbie Hill/UPI

The family and children of U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, watch as his casket is carried by an honor guard up the East front steps of the Capitol for a ceremony honoring the officer in the Capitol Rotunda on Capitol Hill in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

A U.S. Capitol Police officer salutes as the casket containing the remains of officer William Evans, who was killed in the line of duty on April 2, arrives at the East front steps of the Capitol for a ceremony honoring the officer in the Capitol Rotunda on Capitol Hill in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

A casket containing the remains of late U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, is carried by an honor guard up the East front steps of the Capitol for a ceremony honoring the officer in the Capitol Rotunda on Capitol Hill in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

Abigail Evans, the daughter of U.S. Capitol Police officer William Evans who was killed in the line of duty on April 2, watches with family members as his casket is carried into the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

U.S. Capitol Police officers and their guests depart after watching the casket containing the remains of the late officer William Evans, who was killed in the line of duty on April 2, arrive for a ceremony honoring the officer in the U.S. Capitol Rotunda on Capitol Hill in Washington, U.S., April 13, 2021. REUTERS/Evelyn Hockstein

Migrant people and workers leave the city on a ferry before the countywide lockdown imposed as the coronavirus disease (COVID-19) cases increased at Mawa ferry port in Munshiganj, Bangladesh, April 13, 2021. REUTERS/Mohammad Ponir Hossain

Migrant people and workers walk to board a ferry as they leave the city before the countywide lockdown imposed as the coronavirus disease (COVID-19) cases increased, at Mawa ferry port in Munshiganj, Bangladesh, April 13, 2021. REUTERS/Mohammad Ponir Hossain

Canada's Prime Minister Justin Trudeau walks to a news conference, as efforts continue to help slow the spread of the coronavirus disease (COVID-19), in Ottawa, Ontario, Canada April 13, 2021. REUTERS/Blair Gable

Migrant people and workers leave the city in speedboats before the countywide lockdown imposed as the coronavirus disease (COVID-19) cases increased, at Mawa ferry port in Munshiganj, Bangladesh, April 13, 2021. REUTERS/Mohammad Ponir Hossain

Canada's Prime Minister Justin Trudeau walks to a news conference, as efforts continue to help slow the spread of the coronavirus disease (COVID-19), in Ottawa, Ontario, Canada April 13, 2021. REUTERS/Blair Gable

Devotees gather for evening prayer on the banks of the Ganges river during Kumbh Mela, or the Pitcher Festival, amidst the spread of the coronavirus disease (COVID-19), in Haridwar, India, April 13, 2021. REUTERS/Anushree Fadnavis

Devotees gather for evening prayer on the banks of the Ganges river during Kumbh Mela, or the Pitcher Festival, amidst the spread of the coronavirus disease (COVID-19), in Haridwar, India, April 13, 2021. REUTERS/Anushree Fadnavis

Devotees gather for evening prayer on the banks of the Ganges river during Kumbh Mela, or the Pitcher Festival, amidst the spread of the coronavirus disease (COVID-19), in Haridwar, India, April 13, 2021. REUTERS/Anushree Fadnavis

Family members watch as the casket of Capitol Police Officer William "Billy" Evans arrives to lay in Honor on Capitol Hill in Washington, DC, U.S. April 13, 2021. Jabin Botsford/Pool via REUTERS

Devotees gather for evening prayer on the banks of the Ganges river during Kumbh Mela, or the Pitcher Festival, amidst the spread of the coronavirus disease (COVID-19), in Haridwar, India, April 13, 2021. REUTERS/Anushree Fadnavis

Migrant people and workers travel in speedboats as they leave the city before the countywide lockdown imposed as the coronavirus disease (COVID-19) cases increased, at Mawa ferry port in Munshiganj, Bangladesh, April 13, 2021. REUTERS/Mohammad Ponir Hossain

U.S. President Joe Biden greets Shannon Terranova, mother of the children of the late Capitol Police officer William "Billy" Evans at a memorial service in the Rotunda at the U.S. Capitol in Washington, DC, U.S. April 13, 2021. Drew Angerer/Pool via REUTERS

Migrant people and workers sit on a pickup van as they leave the city before the countywide lockdown imposed as the coronavirus disease (COVID-19) cases increased, at Mawa ferry port in Munshiganj, Bangladesh, April 13, 2021. REUTERS/Mohammad Ponir Hossain

U.S. Capitol Police Officers walk down the steps of the U.S. Capitol after the body of their fellow officer William (Billy) Evans arrived for a memorial service in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

Logan and Abigail, the children of the late U.S. Capitol Police officer William "Billy" Evans, are comforted by their mother Shannon?Terranova at a memorial service in the Rotunda at the U.S. Capitol in Washington, DC, U.S. April 13, 2021. Drew Angerer/Pool via REUTERS

Logan and Abigail, the children of the late U.S. Capitol Police officer William "Billy" Evans, are comforted by their mother Shannon?Terranova at a memorial service in the Rotunda at the U.S. Capitol in Washington, DC, U.S. April 13, 2021. Drew Angerer/Pool via REUTERS

Migrant people and workers sit on a pickup van as they leave the city before the countywide lockdown imposed as the coronavirus disease (COVID-19) cases increased, at Mawa ferry port in Munshiganj, Bangladesh, April 13, 2021. REUTERS/Mohammad Ponir Hossain

Abigail Evans, the daughter of U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, points as his casket is carried into the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

The body of U.S. Capitol Police Officer William (Billy) Evans, who was killed in the line of duty on April 2, arrives for a memorial service at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

Migrant people and workers sit on a pickup van as they leave the city before the countywide lockdown imposed as the coronavirus disease (COVID-19) cases increased, at Mawa ferry port in Munshiganj, Bangladesh, April 13, 2021. REUTERS/Mohammad Ponir Hossain

The body of U.S. Capitol Police Officer William (Billy) Evans, who was killed in the line of duty on April 2, arrives for a memorial service at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

The casket containing the remains of the late U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, is seen between the bars of perimeter security fencing around the U.S. Captiol as it is carried up the East front steps of the building for a ceremony honoring the officer on Capitol Hill in Washington, U.S., April 13, 2021. REUTERS/Erin Scott

U.S. President Joe Biden and House Speaker Nancy Pelosi attend the lying in honor ceremony of U.S. Capitol Police officer William ?Billy? Evans on Capitol Hill in Washington, DC, U.S. April 13, 2021. Amr Alfiky/Pool via REUTERS

U.S. President Joe Biden and House Speaker Nancy Pelosi attend the lying in honor ceremony of U.S. Capitol Police officer William ?Billy? Evans on Capitol Hill in Washington, DC, U.S. April 13, 2021. Amr Alfiky/Pool via REUTERS

U.S. President Joe Biden, House Speaker Nancy Pelosi, Senator Chuck Schumer and Senator Mitch McConnell attend the lying in honor ceremony of U.S. Capitol Police officer William ?Billy? Evans on Capitol Hill in Washington, DC, U.S. April 13, 2021. Amr Alfiky/Pool via REUTERS

Scenes from the lying in honor ceremony of U.S. Capitol Police officer William Evans on Capitol Hill in Washington, DC, U.S. April 13, 2021. Amr Alfiky/Pool via REUTERS

Scenes from the lying in honor ceremony of U.S. Capitol Police officer William Evans on Capitol Hill in Washington, DC, U.S. April 13, 2021. Amr Alfiky/Pool via REUTERS

Scenes from the lying in honor ceremony of U.S. Capitol Police officer William Evans on Capitol Hill in Washington, DC, U.S. April 13, 2021. Amr Alfiky/Pool via REUTERS

Scenes from the lying in honor ceremony of U.S. Capitol Police officer William Evans on Capitol Hill in Washington, DC, U.S. April 13, 2021. Amr Alfiky/Pool via REUTERS

Scenes from the lying in honor ceremony of U.S. Capitol Police officer William Evans on Capitol Hill in Washington, DC, U.S. April 13, 2021. Amr Alfiky/Pool via REUTERS

General view of a railway and the Windsor castle, after Britain's Prince Philip, husband of Queen Elizabeth, died at the age of 99, in Windsor, near London, Britain April 13, 2021. REUTERS/Matthew Childs

Police officers check the gate of Windsor Castle, as wardens and armed police officers stand outside the castle, ahead of the funeral of Britain's Prince Philip, husband of Queen Elizabeth, who died at the age of 99, in Windsor, near London, Britain April 13, 2021. REUTERS/Peter Nicholls

U.S. Capitol Police Officers stand by the steps of the House of Representatives as the body of fellow officer William (Billy) Evans, who was killed in the line of duty on April 2, arrives for a memorial service at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

Bouquets of flowers lean against a police barricade at a makeshift memorial outside the U.S. Capitol as the hearse containing the remains of the late U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, arrives for a ceremony honoring the officer on Capitol Hill in Washington, U.S., April 13, 2021. REUTERS/Evelyn Hockstein

A train drives near the Windsor castle, after Britain's Prince Philip, husband of Queen Elizabeth, died at the age of 99, in Windsor, near London, Britain April 13, 2021. REUTERS/Matthew Childs

The casket of slain U.S. Capitol Police Officer William "Billy" Evans is prepared to be carried into the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

U.S. Capitol Police Officers stand by the hearse carrying the body of fellow officer William (Billy) Evans, who was killed in the line of duty on April 2, at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

U.S. Capitol Police Officers prepare for the arrival of slain U.S. Capitol Police Officer William "Billy" Evans on the East Front of the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

The family of U.S. Capitol Police Officer William (Billy) Evans, watch as his body arrives for a memorial service at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

The children of U.S. Capitol Police Officer William "Billy" Evans, Logan, center, and Abigail, and their mother Shannon Terranova, pay respects as his remains lie in honor in the Capitol Rotunda in Washington, D.C., U.S. April 13, 2021. Tom Williams/Pool via REUTERS

Abigail Evans, the daughter of U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, points as his casket is carried into the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

The family of U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, looks on as his casket is carried into the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

The family of U.S. Capitol Police Officer William (Billy) Evans, watch as his body arrives for a memorial service at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

A hearse carrying the casket containing the remains of late U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, arrives at the U.S. Capitol prior to a ceremony honoring Evans in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

The casket of US Capitol Police Officer William "Billy" Evans is carried by a joint service honor guard into the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

The casket of slain U.S. Capitol Police Officer William "Billy" Evans arrives on the East Front of the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

Police officers salute as a hearse carrying the casket containing the remains of late U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, arrives at the U.S. Capitol prior to a ceremony honoring Evans in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

The casket of US Capitol Police Officer William "Billy" Evans is carried by a joint service honor guard into the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

Police officers salute a casket containing the remains of late U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, as it arrives at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

The casket of U.S. Capitol Police Officer William "Billy" Evans is carried by a joint service honor guard into the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

U.S. Capitol police officers gather prior to a ceremony honoring fellow officer William Evans, who was killed on April 2 and will lie in honor in the Capitol rotunda in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

A hearse containing the remains of the late U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, arrives for a ceremony honoring the officer as members of the Capitol Police force salute on the East Plaza at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Evelyn Hockstein

The body of U.S. Capitol Police Officer William (Billy) Evans, who was killed in the line of duty on April 2, arrives for a memorial service at the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Joshua Roberts

The family of U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, looks on as his casket is carried into the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

The family of U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, looks on as his casket is carried into the U.S. Capitol for ceremonies honoring Evans in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

U.S. Capitol police officers gather prior to a ceremony honoring fellow officer William Evans, who was killed on April 2 and will lie in honor in the Capitol rotunda in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

The family of U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, stands by as his casket is carried into the U.S. Capitol for ceremonies honoring Evans in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

U.S. Capitol Police Officers prepare for the arrival of slain U.S. Capitol Police Officer William "Billy" Evans on the East Front of the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

A hearse carrying the casket containing the remains of late U.S. Capitol Police officer William Evans, who was killed in the line of duty on April 2, arrives at the U.S. Capitol prior to a ceremony honoring Evans in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool

The casket of U.S. Capitol Police Officer William "Billy" Evans is carried by a joint service honor guard into the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

The casket of U.S. Capitol Police Officer William "Billy" Evans is carried by a joint service honor guard into the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

The casket of U.S. Capitol Police Officer William "Billy" Evans is carried by a joint service honor guard into the U.S. Capitol in Washington, DC, U.S. 13 April 2021. Shawn Thew/Pool via REUTERS

Abigail Evans, the daughter of U.S. Capitol Police officer William Evans who was killed in the line of duty on April 2, watches as his casket is carried into the U.S. Capitol in Washington, U.S., April 13, 2021. REUTERS/Carlos Barria/Pool