UK : Security services : Men were most likely planning attacks on U.S. , British targets . NEW : They say the men also may have been planning an attack in Germany . NEW : Police found explosives in the apartment of one of the men . The suspects had information about remote - controlled airplanes , authorities say .
NEW : Security services : Men were most likely plotting attacks on U.S. , British targets . NEW : They say the men also may have been planning an attack in France . NEW : Police found explosives in the apartment of one of the men . The suspects had information about remote-controlled airplanes , authorities say .