[JURIST] London Metropolitan Police Commissioner Sir Ian Blair [official profile] expressed regret Sunday over the killing of a man police mistakenly thought connected [JURIST report] to July 21 London bombings [JURIST report]. Blair stated that the shooting of Brazilian citizen Jean Charles de Menezes was a “tragedy”, but defended the use of deadly force in the Stockwell subway station, and insisted that the officers acted in accordance with their training and believed their lives and the lives of bystanders in the tube were at risk. London police have made two arrests in connection with Thursday’s bombings. AP has more.