good evening. two days after the hostage taking incident at a synagogue in texas, two teenagers have been arrested today in greater manchester. the attacker was a british man named as malik faisal akram from blackburn who was shot dead by police at the scene after a 10 hour stand off. he d taken four people hostage, including a rabbi, who all survived unharmed. friends of akram said he d suffered from mental health problems and they expressed surprise that he d been able to travel to the us. greater manchester police said the teenagers detained today, whose identities have not been released, are both being questioned as part of the ongoing investigation , as our special correspondent ed thomas reports. what made malik faisal akram leave blackburn, the place he called home, to travel to texas, arm himself with a gun and hold people hostage inside a synagogue?