Palestinians fired an anti-tank missile at an IDF force in northern Gaza this morning. IDF soldiers returned fire... Palestinian terrorists shot at Kiryat Arba's new security chief as he was driving in his car between Hevron and Kiryat Gat yesterday. The car was hit and the right rear window was shattered, but he was not hurt... Palestinian terrorists fired at men working on the separation fence near Alfei Menashe in western Shomron this morning... Soldiers near Jenin and in Tul Karem were also targeted by Arab gunfire... No one was hurt in these incidents... IDF forces arrested 31 PA terrorist suspects, including 25 in Gaza, last night...