A protester climbed the Iranian Embassy balcony in London on Friday, tearing down the Islamic Republic's flag and replacing it with the pre-1979 "Lion and Sun" emblem, drawing cheers from a crowd. The demonstration coincides with ongoing unrest in Iran, which began over economic concerns and evolved into broader challenges to the clerical leadership. London's Metropolitan Police arrested two individuals for aggravated trespass and assault on an emergency worker, and were seeking a third. Iran's embassy did not respond to requests for comment.