NEW : 36-year-old man held on murder , robbery , other charges . NEW : Suspect picked up Saturday , questioned 24 hours . The third guard was hurt by flying glass when a bullet shattered one of the vehicle 's windows , said Mark Clark , a spokesman for Loomis , the company that owns the armored car . Two guards killed in armored vehicle attack outside bank ; a third guard wounded . Guards were servicing drive-up Wachovia Bank outside Pennsylvania bank .
NEW : 36-year-old man held on murder , robbery , other charges . NEW : Suspect picked up Saturday , questioned 24 hours . Two guards killed in armored vehicle attack outside bank ; a third guard wounded . Guards were servicing drive-up Wachovia Bank outside Pennsylvania bank .