COTABATO — Authorities in Mindanao have arrested a Pakistani with alleged links to a Southeast Asian extremist group for making bombs, it was announced yesterday. Muhammand Alpariz was arrested at his apartment in Shariff Kabunsuan province by joint police and military operatives on Tuesday, local 6th Infantry Division spokesman Lt. Col. Julieto Ando said. Found in his possession were "two 60-millimeter mortar shells rigged to improvised explosives devices" and two howitzer shells ready to be attached to similar bombs, said Southern Mindanao police head Chief Superintendent Pedro Tango. "These bombs, if exploded, would cause extensive damage," he added. "He did...