U.S. National Guard soldiers look up into the Capitol Rotunda during a guided tour on Capitol Hill in Washington, U.S., February 25, 2021. REUTERS/Tom Brenner

United States National Guard soldiers walk past a U.S. Capitol Police Officer on Capitol Hill in Washington, U.S., February 25, 2021. REUTERS/Tom Brenner

A United States Capitol Police Officer stands guard along the steps to the House of Representatives on Capitol Hill in Washington, U.S., February 25, 2021. REUTERS/Tom Brenner

United States National Guard soldiers walk past the U.S. Capitol in Washington, U.S., February 25, 2021. REUTERS/Tom Brenner

A U.S. Capitol Police Officer stands guard on the steps of the House of Representatives on Capitol Hill in Washington, U.S., February 25, 2021. REUTERS/Tom Brenner

United States Capitol Police Officers stand guard along the steps of the U.S. Senate on Capitol Hill in Washington, U.S., February 25, 2021. REUTERS/Tom Brenner

United States National Guard soldiers walk down a stairway outside of the Capitol Visitor Center on Capitol Hill in Washington, U.S., February 25, 2021. REUTERS/Tom Brenner

Security force members stand guard next to containers transporting a batch of the Sinovac's COVID-19 vaccine at the International airport of Santiago, as the coronavirus disease (COVID-19) outbreak continues, Chile, February 25, 2021. REUTERS/Ivan Alvarado

A security force member stands guard next to containers transporting a batch of the Sinovac's COVID-19 vaccine at the International airport of Santiago, as the coronavirus disease (COVID-19) outbreak continues, Chile, February 25, 2021. REUTERS/Ivan Alvarado

A security force member stands guard next to containers transporting a batch of the Sinovac's COVID-19 vaccine at the International airport of Santiago, as the coronavirus disease (COVID-19) outbreak continues, Chile, February 25, 2021. REUTERS/Ivan Alvarado

Libyan special forces stand guard outside Corinthia Hotel ahead of Libya's new Prime Minister Abdulhamid Dbeibeh's news conference in Tripoli, Libya, February 25, 2021. REUTERS/Ayman Al-Sahili

Libyan special forces stand guard outside Corinthia Hotel ahead of Libya's new Prime Minister Abdulhamid Dbeibeh's news conference in Tripoli, Libya, February 25, 2021. REUTERS/Ayman Al-Sahili

Libyan special forces stand guard outside Corinthia Hotel ahead of Libya's new Prime Minister Abdulhamid Dbeibeh's news conference in Tripoli, Libya, February 25, 2021. REUTERS/Ayman Al-Sahili

Libyan special forces stand guard outside Corinthia Hotel ahead of Libya's new Prime Minister Abdulhamid Dbeibeh's news conference in Tripoli, Libya, February 25, 2021. REUTERS/Ayman Al-Sahili

Honour guards wearing protective masks march during the changing of the guard ceremony at Anitkabir, the mausoleum of modern Turkey's founder Mustafa Kemal Ataturk, amid the coronavirus disease (COVID-19) outbreak in Ankara, Turkey February 25, 2021. REUTERS/Cagla Durak

Honour guards wearing protective masks march during the changing of the guard ceremony at Anitkabir, the mausoleum of modern Turkey's founder Mustafa Kemal Ataturk, amid the coronavirus disease (COVID-19) outbreak in Ankara, Turkey February 25, 2021. REUTERS/Cagla Durak

Honour guards wearing protective masks march during the changing of the guard ceremony at Anitkabir, the mausoleum of modern Turkey's founder Mustafa Kemal Ataturk, amid the coronavirus disease (COVID-19) outbreak in Ankara, Turkey February 25, 2021. REUTERS/Cagla Durak

Visitors wearing protective masks take pictures during the changing of the guard ceremony at Anitkabir, the mausoleum of modern Turkey's founder Mustafa Kemal Ataturk, amid the coronavirus disease (COVID-19) outbreak in Ankara, Turkey February 25, 2021. REUTERS/Cagla Durak

Honour guards wearing protective masks are seen during the changing of the guard ceremony at Anitkabir, the mausoleum of modern Turkey's founder Mustafa Kemal Ataturk, amid the coronavirus disease (COVID-19) outbreak in Ankara, Turkey February 25, 2021. REUTERS/Cagla Durak

Riot police officers stand guard during a rally against the military coup at the University of Yangon, in Yangon, Myanmar, February 25, 2021. REUTERS/Stringer

Riot police officers stand guard during a rally against the military coup at the University of Yangon, in Yangon, Myanmar, February 25, 2021. REUTERS/Stringer

Riot police officers stand guard during a rally against the military coup at the University of Yangon, in Yangon, Myanmar, February 25, 2021. REUTERS/Stringer

A demonstrator gestures as riot police officers stand guard during a rally against the military coup at the University of Yangon, in Yangon, Myanmar, February 25, 2021. REUTERS/Stringer

A police officer stands guard outside a prison as authorities try to control another riot, in Guayaquil, Ecuador February 24, 2021. REUTERS/Santiago Arcos

Police officers stand guard outside a prison as authorities try to control another riot, in Guayaquil, Ecuador February 24, 2021. REUTERS/Santiago Arcos

Soldier stand guard outside a prison where inmates were killed during a riot that the government described as a concerted action by criminal organisations, in Guayaquil, Ecuador February 23, 2021. REUTERS/Vicente Gaibor del Pino

A soldier stands guard outside a prison where inmates were killed during a riot that the government described as a concerted action by criminal organisations, in Guayaquil, Ecuador February 24, 2021. REUTERS/Vicente Gaibor del Pino

Soldiers stand guard outside a prison where inmates were killed during a riot that the government described as a concerted action by criminal organisations, in Guayaquil, Ecuador February 24, 2021. REUTERS/Vicente Gaibor del Pino

Members of the United States National Guard walk through the Congressional Visitor Center on Capitol Hill in Washington, U.S., February 24, 2021. REUTERS/Tom Brenner

Members of the media work as police officers stand guard outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain, February 24, 2021. REUTERS/Paul Childs

Members of the media work as police officers stand guard outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain, February 24, 2021. REUTERS/Paul Childs

Police officers stand guard as people walk past outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain, February 24, 2021. REUTERS/Paul Childs

Police officers stand guard outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain, February 24, 2021. REUTERS/Paul Childs

Police officers stand guard outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain, February 24, 2021. REUTERS/Paul Childs

Cameras of media members are seen as police officers stand guard outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain, February 24, 2021. REUTERS/Paul Childs

Police stand guard as protestors march on Interstate 490 after the New York grand jury voted not to indict police officers in Daniel Prude's death in Rochester, New York, U.S., February 23, 2021. Picture taken February 23, 2021. REUTERS/Lindsay DeDario

Police officers stand guard at the rear entrance of King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain, February 24, 2021. REUTERS/Henry Nicholls

Soldier stand guard outside a prison where inmates were killed during a riot that the government described as a concerted action by criminal organisations, in Guayaquil, Ecuador February 23, 2021. REUTERS/Vicente Gaibor del Pino

Soldier stand guard outside a prison where inmates were killed during a riot that the government described as a concerted action by criminal organisations, in Guayaquil, Ecuador February 23, 2021. REUTERS/Vicente Gaibor del Pino

Soldier stand guard outside a prison where inmates were killed during a riot that the government described as a concerted action by criminal organisations, in Guayaquil, Ecuador February 23, 2021. REUTERS/Vicente Gaibor del Pino

Soldier stand guard outside a prison where inmates were killed during a riot that the government described as a concerted action by criminal organisations, in Guayaquil, Ecuador February 23, 2021. REUTERS/Vicente Gaibor del Pino

Police stand guard after Ecuador's presidential candidate Yaku Perez marched to the prosecutor's office in Quito, Ecuador February 23, 2021. REUTERS/Santiago Arcos

A member of the National Guard reacts during scuffles with supporters of Serhiy Sternenko, a civil activist and former leader of the far-right radical group Right Sector in the city of Odessa, at a rally near the Presidential administration headquarters in Kyiv, Ukraine February 23, 2021. The Prymorskyi District Court of Odessa sentenced Sternenko to seven years and three months in prison on Tuesday. REUTERS/Gleb Garanich

U.S. Army National Guard members stand by as an elderly couple arrives to receive coronavirus disease (COVID-19) vaccination shots at a mass vaccination site at the Westchester County Center in White Plains, New York, U.S., February 23, 2021. REUTERS/Mike Segar

A U.S. Army National Guard member waits to assist an elderly man pushing a walker as he arrives to receive a coronavirus disease (COVID-19) vaccination shot at a mass vaccination site at the Westchester County Center in White Plains, New York, U.S., February 23, 2021. REUTERS/Mike Segar

A U.S. Army National Guard member wheels an elderly resident arriving to receive a coronavirus disease (COVID-19) vaccination shot at a mass vaccination site at the Westchester County Center in White Plains, New York, U.S., February 23, 2021. REUTERS/Mike Segar

A U.S. Army National Guard member wheels an elderly resident arriving to receive a coronavirus disease (COVID-19) vaccination shot at a mass vaccination site at the Westchester County Center in White Plains, New York, U.S., February 23, 2021. REUTERS/Mike Segar

U.S. Army National Guard members check-in elderly residents as they arrive to receive coronavirus disease (COVID-19) vaccination shots at a mass vaccination site at the Westchester County Center in White Plains, New York, U.S., February 23, 2021. REUTERS/Mike Segar

A U.S. Army National Guard member holds a wheelchair to help 75-year-old Loretta Spinozzi and her husband Blase Spinozzi of Greenburg, New York, as they arrive to receive their second dose of a coronavirus disease (COVID-19) vaccination at a mass vaccination site at the Westchester County Center in White Plains, New York, U.S., February 23, 2021. REUTERS/Mike Segar

A woman sweeps a carpet as a female police officer stands guard before an event marking the 40th anniversary of the February 23, 1981 coup attempt at Parliament in Madrid, Spain, February 23, 2021. REUTERS/Susana Vera

Pakistan's Prime Minister Imran Khan inspects the Guard of Honor during his welcome ceremony at the airport in Katunayake, Sri Lanka February 23, 2021. REUTERS/Dinuka Liyanawatte

Pakistan's Prime Minister Imran Khan inspects the Guard of Honor during his welcome ceremony at the airport in Katunayake, Sri Lanka February 23, 2021. REUTERS/Dinuka Liyanawatte

Pakistan's Prime Minister Imran Khan inspects the Guard of Honor during his welcome ceremony at the airport in Katunayake, Sri Lanka February 23, 2021. REUTERS/Dinuka Liyanawatte

A police officer wears a mask as she stands guard before an event marking the 40th anniversary of the February 23, 1981 coup attempt at Parliament in Madrid, Spain, February 23, 2021. REUTERS/Susana Vera

Paraguayan soldiers stand guard near a sign that reads "Vaccination against COVID" as health workers innoculate their colleagues with Russia's Sputnik V vaccine against the coronavirus disease (COVID-19), at a hospital in Itaugua, Paraguay February 22, 2021. REUTERS/Cesar Olmedo

Police officers are seen through a fence while they stand guard as members of indigenous communities and supporters of Ecuador's presidential candidate Yaku Perez march to the capital Quito, in Latacunga, Ecuador February 22, 2021. REUTERS/Santiago Arcos

Police officers stand guard as members of indigenous communities and supporters of Ecuador's presidential candidate Yaku Perez march to the capital Quito, in Latacunga, Ecuador February 22, 2021. REUTERS/Santiago Arcos

A guard inspects the ancient archeological site of Ur, traditionally believed to be the birthplace of Abraham, ahead of the planned visit of Pope Francis, in Ur near Nassiriya, Iraq February 18, 2021. Picture taken February 18, 2021. REUTERS/Alaa Al-Marjani

A guard is seen at the ancient archeological site of Ur, traditionally believed to be the birthplace of Abraham, ahead of the planned visit of Pope Francis, in Ur near Nassiriya, Iraq February 18, 2021. Picture taken February 18, 2021. REUTERS/Alaa Al-Marjani

Police officers stand guard as a bottle is thrown during a protest in support of rap singer Pablo Hasel after he was given a jail sentence on charges of glorifying terrorism and insulting royalty in his songs, in Barcelona, Spain, February 21, 2021. REUTERS/Nacho Doce