race could get eíeo more crowded by next week. texas governor rick perry who made headlines at a prayer event last weekend could be close to announcing a presidential run. perry will visit at least two early primary states this weekend. aides close to perry say an official announcement could come as early as saturday. now to britain where three men in north london are now charged with the attempted murder of a police officer. word of their arrests comes as violence spreads from parts of the british capital to other major cities. britain s prime minister has cut short a vacation to meet with law enforcement and confront the violence. abc s lama hasan reports on how the rioting started. reporter: flames across london. rioters hitting the city, torching buildings, cars ablaze. from the air the fires raged. the violence broke out after a 29-year-old father of four was killed by police. the police say he allegedly fired the first shot. but in a poor neighborhood where relations with po