Militant Palestinians fought members of a Lebanese leftist party in a gun battle Sunday that left one man dead and three wounded outside a refugee camp, Lebanese security officials said. The shootout between the Palestinian Jund al-Sham group and the Lebanese Nasserite Popular Organization followed the stabbing Saturday of a Nasserite supporter by a Jund guerrilla in "a personal dispute," the officials said, speaking on customary condition of anonymity. The gun battle took place on the fringe of the Ein el-Hilweh camp near the southern port city of Sidon. The camp is the largest of Lebanon's 12 refugee settlements for Palestinians. The disarmament of Palestinian factions in Lebanon was discussed last week when Lebanese Prime Minister Fuad Saniora met Palestinian leader Mahmoud Abbas in Paris. The Lebanese army, which maintains checkpoints outside the camp, did not intervene, witnesses said. Suspected attacker in serious condition after being shot near J'lem-Gush Etzion tunnel highway.