jakarta/timika indonesia indonesian police officer kill second wound wednesday shoot back area near freeport-mcmoran inc giant grasberg copper mine eastern province papua police say officer patrol area close freeport vehicle target shoot tuesday papua police spokesman suryadi diaz say statement helicopter fly men hospital nearby lowland city timika main access road grasberg remain close freeport indonesia spokesman riza pratama say refer 79-mile 127-km stretch timika mine town tembagapura run near river rich gold tail mine upstream string least 15 separate shoot incidents area since mid-august wound least 12 people kill two police officer blame police arm criminal group link separatist rebel others statement separatist west papua national liberation army tpn-opm group link free papua movement claim responsibility wednesday incident group say war police military freeport decades sporadic attack along road shoot take place authorities efforts catch perpetrators hamper thick surround jungle indonesian military tni police urge arm separatist movement papua surrender one turn indonesian military chief gatot nurmantyo say statement arm separatists leave alone say add rein activities domain military prepare emergency measure case persuasive approach police military fail papua long-running sometimes violent separatist movement since province incorporate indonesia widely criticise 1969 u.n.-backed referendum foreign journalists past require special permission report papua security force restrict movement work president joko widodo pledge make region accessible foreign media invite reporters government-sponsored trip although coverage remain difficult indonesian police officer kill shoot near freeport mine