已故巴领导人阿拉法特的堂弟穆萨·阿拉法特被数十名蒙面枪手射杀。巴勒斯坦民族权力机构主席阿巴斯随后发表声明称，巴民族权力机构将追捕凶手。请看外电报道：

Palestinian leader Mahmoud Abbas vowed to hunt down the killers of a powerful former security chief whose gangland-style slaying Wednesday laid bare Gaza's raging power struggles just days before Israel hands over control of the coastal territory.

In a brazen challenge to Abbas, a shadowy militant group claimed responsibility for killing Moussa Arafat, cousin of the late Palestinian leader Yasser Arafat, in a burst of gunfire.

Adding to the tension, the Israeli military said the vital Rafah crossing point between Gaza and Egypt would be closed Thursday until further notice as part of Israel's Gaza pullout, which could be completed as early as Monday.

文中的hunt down表示"追捕直至抓获"的意思。例如：They hunted him down and strung him up.（他们把他捉住然后将他捆起来。）