Although earlier reports indicated an arrest was imminent in the Boston Marathon bombings, none such have been made, reports CNN.com. Meanwhile, the Boston Federal courthouse was evacuated this afternoon after a bomb threat was received, reports the Boston Globe, as scores of spectators, photographers and reports flocked to the scene after hearing about the potential arrest. A Globe source said an image had been captured of a suspect carrying, and perhaps dropping, a black bag at the second bombing scene. The same official said a surveillance camera at Lord & Taylor, directly across the street, has provided clear video of the area. Authorities has appealed to the public for photo and video evidence near the bombing scene at the finish line of the marathon. Though a press conference had been set for 5 p.m. EDT, it has since been canceled after the evacuation of the courthouse.