MANILA, Philippines (AP) — Philippine forces killed an Abu Sayyaf militant, who had been implicated in past beheadings, including of 10 Filipino marines and two kidnapped Vietnamese, in a clash in the south, police officials said Friday. Philippine police, backed by military intelligence agents, killed Nawapi Abdulsaid in a brief gunbattle Wednesday night in the remote coastal town of Hadji Mohammad Ajul on Basilan island after weeks of surveillance, security officials said. Abu Sayyaf is a