Palestinian relatives of Mohammed Al-Za'anin, who was killed in an Israeli air strike, mourn during his funeral in Beit Hanoun, in the northern Gaza Strip January 22, 2014. Israel killed two Gaza gunmen in an air strike on Wednesday, blaming one of them for firing rockets across the border during former Israeli Prime Minister Ariel Sharon's funeral last week. Islamic Jihad claimed one man, Ahmed Al-Za'anin, as its own, without immediately commenting on the other's affiliation. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST)