DUBAI (Reuters) - Dubai's police chief plans to seek the arrest of Israeli Prime Minister Benjamin Netanyahu and the head of Israel's spy agency over the killing of a Hamas leader in the emirate, Al Jazeera television reported. Dahi Khalfan Tamim "said he would ask the Dubai prosecutor to issue arrest warrants for ... Netanyahu and the head of Mossad," the television said. It did not give details. Tamim has said he is "almost certain" Israeli agents were involved in the killing of Hamas commander Mahmoud al-Mabhouh at a Dubai hotel in January, calling for Mossad's boss, Meir Dagan, to...