**President Barack Obama says the US failed to “connect and understand” intelligence it had prior to the failed Christmas Day airliner bombing.**In a national address, Mr Obama said he was ordering an immediate strengthening of “watch lists” for terror suspects.
He said it was not a failure of a single individual, but rather a “systemic failure” across agencies.
Nigerian suspect Umar Farouk Abdulmutallab had tried to detonate explosives on a flight to Detroit.