The headstone for Marine Cpl. Robert A. Hendriks, who was killed by a roadside bomb in Afghanistan in 2019, stands at Calverton National Cemetery in Wading River, New York, U.S., June 30, 2020. REUTERS/Shannon Stapleton

The headstone for Marine Cpl. Robert A. Hendriks, who was killed by a roadside bomb in Afghanistan in 2019, stands at Calverton National Cemetery in Wading River, New York, U.S., June 30, 2020. REUTERS/Shannon Stapleton

The headstone for Marine Cpl. Robert A. Hendriks, who was killed by a roadside bomb in Afghanistan in 2019, stands at Calverton National Cemetery in Wading River, New York, U.S., June 30, 2020. REUTERS/Shannon Stapleton

The headstone for Marine Cpl. Robert A. Hendriks, who was killed by a roadside bomb in Afghanistan in 2019, stands at Calverton National Cemetery in Wading River, New York, U.S., June 30, 2020. REUTERS/Shannon Stapleton

Children put flowers over the grave of twenty-four-year old Fatima Khalil, known as 'Natasha', who was killed in a bomb blast on Saturday, in Kabul, Afghanistan June 30, 2020. REUTERS/Omar Sobhani

A girl spills water over the grave of twenty-four-year old Fatima Khalil, known as 'Natasha', who was killed in a bomb blast on Saturday, in Kabul, Afghanistan June 30, 2020. REUTERS/Omar Sobhani

Youth poets from the Louder Than a Bomb slam poetry competition perform at a rally in Daley Plaza after a march to demand that police officers be removed from schools in Chicago, Illinois, U.S., June 24, 2020. REUTERS/Max Herman

Soccer Football - Serbian SuperLiga - Crvena Zvezda v Radnik - Rajko Mitic Stadium, Belgrade, Serbia - June 6, 2020 Crvena Zvezda fans are seen in the stands with flares and smoke bombs, aafter Serbian authorities allowed play to resume with a certain number of fans following the outbreak of the coronavirus disease (COVID-19) REUTERS/Marko Djurica

Soccer Football - Serbian SuperLiga - Crvena Zvezda v Radnik - Rajko Mitic Stadium, Belgrade, Serbia - June 6, 2020 Crvena Zvezda fans are seen in the stands with flares and smoke bombs, after Serbian authorities allowed play to resume with one-thousand fans following the outbreak of the coronavirus disease (COVID-19) REUTERS/Marko Djurica

Soccer Football - Serbian SuperLiga - Crvena Zvezda v Radnik - Rajko Mitic Stadium, Belgrade, Serbia - June 6, 2020 Crvena Zvezda fans are seen in the stands with flares and smoke bombs, after Serbian authorities allowed play to resume with one-thousand fans following the outbreak of the coronavirus disease (COVID-19) REUTERS/Marko Djurica

Soccer Football - Serbian SuperLiga - Crvena Zvezda v Radnik - Rajko Mitic Stadium, Belgrade, Serbia - June 6, 2020 Crvena Zvezda fans are seen in the stands with flares and smoke bombs, after Serbian authorities allowed play to resume with one-thousand fans following the outbreak of the coronavirus disease (COVID-19) REUTERS/Marko Djurica

Protesters hurl petrol bombs as they clash with riot police, during a demonstration against the death in Minneapolis police custody of George Floyd, outside the U.S. embassy in Athens, Greece, June 3, 2020. REUTERS/Alkis Konstantinidis

Protesters hurl petrol bombs as they clash with riot police, during a demonstration against the death in Minneapolis police custody of George Floyd, outside the U.S. embassy in Athens, Greece, June 3, 2020. REUTERS/Alkis Konstantinidis

Protesters hurl petrol bombs as they clash with riot police, during a demonstration against the death in Minneapolis police custody of George Floyd, outside the U.S. embassy in Athens, Greece, June 3, 2020. REUTERS/Alkis Konstantinidis

A protester throws a colored smoke bomb during a protest against the death in Minneapolis in police custody of African-American man George Floyd, in Atlanta, Georgia, U.S. June 1, 2020. REUTERS/Dustin Chambers

Abdirahman Aden Mohamed sits outside the Madina hospital after he got injured when a minibus struck a roadside bomb at Hawa Abdi village, northwest of Mogadishu, Somalia May 31, 2020. REUTERS/Feisal Omar

A paramedic and civilians at the Madina hospital assist an injured woman after a minibus struck a roadside bomb at Hawa Abdi village, northwest of Mogadishu, Somalia May 31, 2020. REUTERS/Feisal Omar

A paramedic at the Madina hospital carries an injured child after a minibus struck a roadside bomb at Hawa Abdi village, northwest of Mogadishu, Somalia May 31, 2020. REUTERS/Feisal Omar

An Afghan man takes pictures of a bus which was carrying employees of an Afghan television station and was bombed, in Kabul, Afghanistan May 30, 2020. REUTERS/Omar Sobhani

A wreckage of a bus which carried employees of an Afghan television station and was bombed is seen in Kabul, Afghanistan May 30, 2020. REUTERS/Omar Sobhani

Afghan security forces keep watch at the side of bomb blast in Kabul, Afghanistan May 30, 2020. REUTERS/Omar Sobhani

Afghan security forces keep watch at the side of a bomb blast in Kabul, Afghanistan May 30, 2020. REUTERS/Omar Sobhani

An Afghan official inspects the wreckage of a bus which carried employees of an Afghan television station and was bombed, in Kabul, Afghanistan May 30, 2020. REUTERS/Omar Sobhani

A man and a woman hold their ears after the explosion of a flash bomb fired by police at protestors gathered near the Minneapolis Police third precinct after a white police officer was caught on a bystander's video pressing his knee into the neck of African-American man George Floyd, who later died at a hospital, in Minneapolis, Minnesota, U.S. May 27, 2020. REUTERS/Eric Miller

Members of the police, wearing face masks, searches an area for bombs, before a protest against a mass for the Nazi collaborators, in Sarajevo, Bosnia and Herzegovina, May 16, 2020. REUTERS/Dado Ruvic

A member of the police searches an area for bombs, before a protest against a mass for the Nazi collaborators, in Sarajevo, Bosnia and Herzegovina, May 16, 2020. REUTERS/Dado Ruvic

A general view of a GBU-12 Paveway laser-guided bomb and a General Atomics MQ-9 Reaper drone during a visit of French Defence Minister Florence Parly to the French Air Force pilot school at the BA 709 military air base of Cognac-Chateaubernard in Chateaubernard, France May 14, 2020. Mehdi Fedouach/Pool via REUTERS

A general view of a GBU-12 Paveway laser-guided bomb and a General Atomics MQ-9 Reaper drone during a visit of French Defence Minister Florence Parly to the French Air Force pilot school at the BA 709 military air base of Cognac-Chateaubernard in Chateaubernard, France May 14, 2020. Mehdi Fedouach/Pool via REUTERS

A police officer stands outside the presidential palace after a bomb threat, in Vienna, Austria April 29, 2020. REUTERS/Leonhard Foeger

Police officers stand outside the presidential palace after a bomb threat, in Vienna, Austria April 29, 2020. REUTERS/Leonhard Foeger

A police officer walks outside the presidential palace after a bomb threat, in Vienna, Austria April 29, 2020. REUTERS/Leonhard Foeger

An Afghan man removes broken glass after a suicide bomb blast in Kabul, Afghanistan April 29, 2020. REUTERS/Omar Sobhani TPX IMAGES OF THE DAY

Neighbours stand on their balcony alongside a Basque flag with a black ribbon, on the 83rd anniversary of the bombing of the Basque town of Guernica by Germany's Condor Legion, in Guernica, Spain, April 26, 2020, during the coronavirus disease (COVID-19) outbreak. REUTERS/Vincent West

Family members of the victims killed at St. Sebastian's church, one of the churches attacked in the April 21st Easter Sunday Islamic militant bombings, react near the mass graveyard during the first year anniversary in Katuwapitiya village, in Negombo, Sri Lanka April 21, 2020. REUTERS/Dinuka Liyanawatte

Graveyard of the victims killed at St. Sebastian's church, one of the churches attacked in the April 21st Easter Sunday Islamic militant bombings, is seen during the first year anniversary in Katuwapitiya village, in Negombo, Sri Lanka April 21, 2020. REUTERS/Dinuka Liyanawatte

Family members of the victims killed at St. Sebastian's church, one of the churches attacked in the April 21st Easter Sunday Islamic militant bombings, react at a spot where the explosion happened, during the first year anniversary in Katuwapitiya village, in Negombo, Sri Lanka April 21, 2020. REUTERS/Dinuka Liyanawatte

Family members of the victims who were killed at St. Sebastian's church, one of the churches attacked in the April 21st Easter Sunday Islamic militant bombings, react during the first year anniversary in Katuwapitiya village, in Negombo, Sri Lanka April 21, 2020. REUTERS/Dinuka Liyanawatte

The statue of Jesus Christ splattered with blood from the April 21st Easter Sunday Islamic militant bombings is seen during the first year anniversary in Katuwapitiya village, in Negombo, Sri Lanka April 21, 2020. REUTERS/Dinuka Liyanawatte

A family member of the victims killed at St. Sebastian's church, one of the churches attacked in the April 21st Easter Sunday Islamic militant bombings, reacts near the mass graveyard during the first year anniversary in Katuwapitiya village, in Negombo, Sri Lanka April 21, 2020. REUTERS/Dinuka Liyanawatte

A Holy Cross reflected in a glass on top of the damaged tiles where the explosion happened at St. Sebastian's church, one of the churches attacked in the April 21st Easter Sunday Islamic militant bombings, is seen during the first year anniversary, in Katuwapitiya village, in Negombo, Sri Lanka April 21, 2020. REUTERS/Dinuka Liyanawatte

Washington State Patrol use bomb dogs to investigate a bomb threat at the Community Corrections Field Office located outside the grounds of the Twin Rivers Unit of the Monroe Correctional Complex, the site of a recent inmate protest after several inmates and staff tested positive for COVID-19, as efforts continue to help slow the spread of coronavirus disease (COVID-19) in Monroe, Washington, U.S. April 14, 2020. REUTERS/Jason Redmond

Joseph McCarthy gestures at the finish line as the bells ring at Old South Church on the seventh anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

Matt Smith, who who helped save the lives of the injured, stands at the finish line as the bells ring at Old South Church on the seventh anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

Rob Young, who ran the 2013 Boston Marathon, stands at the finish line as the bells ring at Old South Church on the seventh anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

Survivor Tom Ralston stands at the finish line as the bells ring at Old South Church on the seventh anniversary of the Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

Rob Young, who ran the 2013 Boston Marathon, stands at the finish line as the bells ring at Old South Church on the seventh anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

Joseph McCarthy gestures at the finish line as the bells ring at Old South Church on the seventh anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

Joseph McCarthy gestures at the finish line as the bells ring at Old South Church on the seventh anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

The finish line of the Boston Marathon crosses Boylston Street on the event anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

A pigeon walks past the finish line of the Boston Marathon on the event anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

A woman takes a photograph of the finish line of the Boston Marathon on the event anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

The finish line of the Boston Marathon crosses Boylston Street on the event anniversary of the 2013 Boston Marathon bombings amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 15, 2020. REUTERS/Brian Snyder

Washington State Patrol use bomb dogs to investigate a bomb threat at the Community Corrections Field Office located on the outside grounds of the Twin Rivers Unit of the Monroe Correctional Complex, the site of a recent inmate protest after several inmates and staff tested positive for COVID-19, as efforts continue to help slow the spread of coronavirus disease (COVID-19) in Monroe, Washington, U.S. April 14, 2020. REUTERS/Jason Redmond?

A Monroe Police officer wears a mask during the investigation of a bomb threat outside the grounds of the Twin Rivers Unit of the Monroe Correctional Complex, the site of a recent inmate protest after several inmates and staff tested positive for COVID-19, as efforts continue to help slow the spread of coronavirus disease (COVID-19) in Monroe, Washington, U.S. April 14, 2020. REUTERS/Jason Redmond

A Monroe Police Officer (R) and a Washington State Patrol K-9 officer investigate a bomb threat at the Community Corrections Field Office located outside the grounds of the Twin Rivers Unit of the Monroe Correctional Complex, the site of a recent inmate protest after several inmates and staff tested positive for COVID-19, as efforts continue to help slow the spread of coronavirus disease (COVID-19) in Monroe, Washington, U.S. April 14, 2020. REUTERS/Jason Redmond

Washington State Patrol use bomb dogs to investigate a bomb threat at the Community Corrections Field Office located outside the grounds of the Twin Rivers Unit of the Monroe Correctional Complex, the site of a recent inmate protest after several inmates and staff tested positive for COVID-19, as efforts continue to help slow the spread of coronavirus disease (COVID-19) in Monroe, Washington, U.S. April 14, 2020. REUTERS/Jason Redmond

A Washington State Patrol K-9 officer pets a bomb dog after investigating a bomb threat at the Community Corrections Field Office located outside the grounds of the Twin Rivers Unit of the Monroe Correctional Complex, the site of a recent inmate protest after several inmates and staff tested positive for COVID-19, as efforts continue to help slow the spread of coronavirus disease (COVID-19) in Monroe, Washington, U.S. April 14, 2020. REUTERS/Jason Redmond

Washington State Patrol and Monroe Police officers investigate a bomb threat at the Community Corrections Field Office located outside the grounds of the Twin Rivers Unit of the Monroe Correctional Complex, the site of a recent inmate protest after several inmates and staff tested positive for COVID-19, as efforts continue to help slow the spread of coronavirus disease (COVID-19) in Monroe, Washington, U.S. April 14, 2020. REUTERS/Jason Redmond

Washington State Patrol use bomb dogs to investigate a bomb threat at the Community Corrections Field Office located outside the grounds of the Twin Rivers Unit of the Monroe Correctional Complex, the site of a recent inmate protest after several inmates and staff tested positive for COVID-19, as efforts continue to help slow the spread of coronavirus disease (COVID-19) in Monroe, Washington, U.S. April 14, 2020. REUTERS/Jason Redmond