LAST UPDATED AT 12:06 ON Wed 1 Apr 2009
Obama chats with German Chancellor Angela Merkel at a dinner for the G20 leaders at 10 Downing Street on Wednesday April 1. Merkel's tough line on the need for new financial regulations threatened to derail Thursday's G20 communique.
The US President arrived on Tuesday night for two days in London, including the G20 summit
