Britain's Prime Minister Boris Johnson arrives back at 10 Downing Street in London, Tuesday, Jan. 25, 2022. London police say they are investigating Downing Street lockdown parties in 2020 to determine if U.K. government officials violated coronavirus restrictions. Tuesday's announcement puts further pressure on British Prime Minister Boris Johnson. (AP Photo/Alastair Grant)Britain's Prime Minister Boris Johnson arrives back at 10 Downing Street in London, Tuesday, Jan. 25, 2022. Tuesday's announcement puts further pressure on British Prime Minister Boris Johnson.
