U.S. President Joe Biden speaks during a joint news conference with Ukraine's President Volodymyr Zelenskiy (not pictured) in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

Ukraine's President Volodymyr Zelenskiy speaks during a joint news conference with U.S. President Joe Biden (not pictured) in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

Ukraine's President Volodymyr Zelenskiy speaks during a joint news conference with U.S. President Joe Biden (not pictured) in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

Ukraine's President Volodymyr Zelenskiy speaks during a joint news conference with U.S. President Joe Biden (not pictured) in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

Ukraine's President Volodymyr Zelenskiy speaks during a joint news conference with U.S. President Joe Biden (not pictured) in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

U.S. President Joe Biden speaks during a joint news conference with Ukraine's President Volodymyr Zelenskiy in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy hold a joint news conference in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy hold a joint news conference in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

Ukraine's President Volodymyr Zelenskiy speaks during a joint news conference with U.S. President Joe Biden in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

Ukraine's President Volodymyr Zelenskiy speaks during a joint news conference with U.S. President Joe Biden in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy hold a joint news conference in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

Ukraine's President Volodymyr Zelenskiy speaks during a joint news conference with U.S. President Joe Biden (not pictured) in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

U.S. President Joe Biden speaks during a joint news conference with Ukraine's President Volodymyr Zelenskiy in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

U.S. President Joe Biden speaks during a joint news conference with Ukraine's President Volodymyr Zelenskiy in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

U.S. President Joe Biden speaks during a joint news conference with Ukraine's President Volodymyr Zelenskiy (not pictured) in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy hold a joint news conference in the East Room of the White House in Washington, U.S., December 21, 2022. REUTERS/Kevin Lamarque 

The destroyed inside room of a university is damaged, as Russia’s attack on Ukraine continues, from a recent missile attack in Kramatorsk Ukraine, December 13, 2022. REUTERS/Shannon Stapleton 

Junior students of a private school leave a dinning room, amid Russia's attack on Ukraine, in Kyiv, Ukraine December 1, 2022. REUTERS/Valentyn Ogirenko 

Passengers rest in the waiting room as an one of the blankets donated by the United States Agency for International Development is seen, during a power outage after critical civil infrastructure was hit by a Russian missile attacks in Ukraine, as Russia's invasion of Ukraine continues, at central railway station in Kyiv, Ukraine November 25, 2022. REUTERS/Gleb Garanich 

A passenger rests in the waiting room as one of the blankets donated by the United States Agency for International Development is seen, during a power outage after critical civil infrastructure was hit by a Russian missile attacks in Ukraine, as Russia's invasion of Ukraine continues, at central railway station in Kyiv, Ukraine November 25, 2022. REUTERS/Gleb Garanich 

Men, who were evacuated from the Russian-controlled Kherson region of Ukraine in the course of a military conflict, stand in a room at care home for elderly and disabled people in Taganrog in the Rostov region, Russia November 7, 2022. REUTERS/Sergey Pivovarov 

A view of a school room damaged by Russian shelling, as Russia's attack in Ukraine continues, in Avdiivka, Donetsk region, Ukraine November 7, 2022. REUTERS/Oleksandr Ratushniak TPX IMAGES OF THE DAY 

A view of a room where Ukrainian servicemen staying in a village close to the front line eat and sleep in the house they are using, as Russia's invasion of Ukraine continues, in Donetsk region, Ukraine, October 29, 2022. REUTERS/Clodagh Kilcoyne 

Myhaylo Yurkiv, 65, stands inside his destroyed home, after he stayed in a bunker for six months during fierce battles under Russian occupation which destroyed every home in the village and cut the village in two by the shelling of the bridge, leaving him now as the only person living on his side of the village, as Russia's invasion of Ukraine continues, in Tsupivka, Ukraine, October 26, 2022. REUTERS/Clodagh Kilcoyne 

Ukrainian border guards colonel Valeriy Padytel and cynologist Alina Panina, captured during the Azovstal steelworks siege in Mariupol in May and released in the recent POW exchange, react as they speaks with Reuters, as Russia's attack on Ukraine continues, in undisclosed location, Ukraine October 25, 2022. REUTERS/Gleb Garanich 

A worker chops wood in heater room in order to be able to heat critical infrastructure facilities when other energy sources are turned off, as Russia's attack on Ukraine continues, in the village of Derhachi, Kharkiv region, Ukraine October 20, 2022. REUTERS/Vyacheslav Madiyevskyy 

A room in a warehouse is seen with the letter 'Z' painted on the wall, amid Russia's attack on Ukraine, in the recently retaken town of Kupiansk, Ukraine, October 18, 2022. REUTERS/Clodagh Kilcoyne 

Ukrainian authorities in recently recaptured Kupiansk show a room full of winter and summer Russian police uniforms where Russian forces set up prison and torture chamber at the police station, in Ukraine, October 18, 2022. REUTERS/Clodagh Kilcoyne 

Ukrainian authorities in recently recaptured Kupiansk show a room full of winter and summer Russian police uniforms where Russian forces set up prison and torture chamber at the police station, in Ukraine, October 18, 2022. REUTERS/Clodagh Kilcoyne 

Ukrainian authorities in recently recaptured Kupiansk show a room full of winter and summer Russian police uniforms where Russian forces set up prison and torture chamber at the police station, in Ukraine, October 18, 2022. REUTERS/Clodagh Kilcoyne 

Ukrainian authorities in recently recaptured Kupiansk show a room full of winter and summer Russian police uniforms where Russian forces set up prison and torture chamber at the police station, in Ukraine, October 18, 2022. REUTERS/Clodagh Kilcoyne 

Writing on the wall reading "grenade" points to a dark room as Ukrainian authorities in recently recaptured Kupiansk show where Russian forces set up prison and torture chamber at the police station, in Ukraine, October 18, 2022. REUTERS/Clodagh Kilcoyne 

A replica Oscar statuette stands in a room in Tetyana’s, 57, home that was destroyed by a Russian grad rocket, which she is now trying to repair, after extensive damage by Russian strikes also cut electricity and gas in the whole village, amid Russia's attack on Ukraine, in Korobochkyne, Ukraine, October 17, 2022. REUTERS/Clodagh Kilcoyne 

A dog walks inside a school's sport room, which was used by Russian troops as a deployment point during Russia's attack on Ukraine, in the liberated village of Kamianka, Kharkiv region, Ukraine October 2, 2022. REUTERS/Vladyslav Musiienko 

Olga Kobzar stands in her living room as she holds a battery light, as Russia's attack on Ukraine continues, in her apartment in Saltivka neighbourhood of Kharkiv, Ukraine, September 22, 2022. REUTERS/Umit Bektas 

A TV cameraman and photographers film a monitor displaying the Japanese yen exchange rate against the U.S. dollar at a dealing room of the foreign exchange trading company Gaitame.com in Tokyo, Japan September 22, 2022. REUTERS/Kim Kyung-Hoon 

A man works at the control room of the Greek gas operator DESFA LNG terminal, on the islet of Revithoussa, Greece, September 21, 2022. REUTERS/Costas Baltas 

A Ukrainian serviceman stands at a room in a police station which he says was used as a torture chamber by Russian soldiers in the town of Izium, recently liberated by Ukrainian Armed Forces, in Kharkiv region, Ukraine September 18, 2022. REUTERS/Umit Bektas 

A view of a newspaper and a gas mask hung on a wall at a room in a police station which an Ukrainian serviceman says was used as a torture chamber by Russian soldiers in the town of Izium, recently liberated by Ukrainian Armed Forces, in Kharkiv region, Ukraine September 18, 2022. REUTERS/Umit Bektas 

A Ukrainian serviceman stands at a room in a police station which he says was used as a torture chamber by Russian soldiers in the town of Izium, recently liberated by Ukrainian Armed Forces, in Kharkiv region, Ukraine September 18, 2022. REUTERS/Umit Bektas 

A view shows a room inside a railway station, which Ukrainian authorities say, was used for interrogation of detained civilian people during Russia's invasion in the village of Kozacha Lopan, in Kharkiv region, Ukraine September 18, 2022. REUTERS/Viktoriia Yakymenko 

Britain's King Charles III (L) meets a member of the South Wales Police during a visit to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III gestures during a visit to the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III leaves after a visit to the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III visits the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's Prince William, Prince of Wales speaks with workers during a visit by Britain's King Charles III (not pictured) to the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Metropolitan Police Commissioner Mark Rowley smiles during a visit from Britain's King Charles III (not pictured) to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III visits the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III visits the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Metropolitan Police Commissioner Mark Rowley smiles during a visit from Britain's King Charles III (not pictured) to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III gestures he leaves after a visit to the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's Prince William, Prince of Wales speaks with workers during a visit by Britain's King Charles III (not pictured) to the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Metropolitan Police Commissioner Mark Rowley looks on during a visit from Britain's King Charles III (not pictured) to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III (C) smiles speaking to members of the Metropolitan Police Service during a visit to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III arrives for a visit to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III arrives for a visit to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III (L) speaks with Metropolitan Police Commissioner Mark Rowley (C) during a visit to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's Home Secretary Suella Braverman (C) shares a joke with Metropolitan Police Commissioner Mark Rowley (R) and London Mayor Sadiq Khan (L) ahead of a visit from Britain's King Charles III (not pictured) to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's King Charles III (L) speaks with Metropolitan Police Commissioner Mark Rowley (R) during a visit to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS 

Britain's Home Secretary Suella Braverman (C) shares a joke with Metropolitan Police Commissioner Mark Rowley (not pictured) and London Mayor Sadiq Khan (not pictured) ahead of a visit from Britain's King Charles III (not pictured) to thank Emergency Service workers for their work and support ahead of the funeral of late Queen Elizabeth II, during a visit at the Metropolitan Police Service Special Operations Room (SOR) at the Lambeth headquarters, in London, on September 17, 2022. CARL DE SOUZA/Pool via REUTERS