U.S. increasingly sees Iran’s hand in the arming of Bahraini militants | Washington Post

The men who built the secret bomb factory had been clever — suspiciously so, Bahraini investigators thought, for a gang known mostly for lobbing molotov cocktails at police. The underground complex had been hewed, foot by foot, beneath the floor of a suburban villa, with no visible traces at street level and only a single entrance, hidden behind a kitchen cabinet.