all this hello, i'm christian fraser. you're watching context on bbc news. more trouble for borisjohnson , the prime minister's office admits staff gathered inside downing street to celebrate his birthday during the first pandemic lockdown. he faces more calls to resign following the latest in a string of revelations about parties. the prime minister is a national destruction, and he has to go. the pentauon destruction, and he has to go. the pentagon says _ destruction, and he has to go. tue pentagon says thousands of destruction, and he has to go. tjj: pentagon says thousands of us troops are at a heightened readiness to deploy on the russia ukraine border. president biden is holding a video summit right now with european leaders to shore up support for the challenge to russia's