FILE - In this March 22, 2004, file photo, Palestinians gather around a pool of blood and the remains of the wheelchair of Hamas spiritual leader Sheikh Ahmed Yassin, following an Israeli air strike that killed him, near his house in Gaza City. Israel is considering resuming its contentious practice of assassinating militant leaders in the Hamas-ruled Gaza Strip in an effort to halt intensified rocket attacks on Israel's south, according to defense officials. (AP Photo/Kevin Frayer, File)