Six mortar shells were fired at N'vei Dekalim - the largest Jewish community in Gush Katif - this morning and afternoon. Two people were lightly hurt in the morning attack... A special undercover IDF force operating in Ramallah yesterday arrested two wanted terrorists - and found two pipebombs in their possession... IDF forces defending Ganei Tal in Gush Katif and along the Egypt-Israel border came under Arab gunfire during the night; there were no injuries, and the soldiers returned fire... Firebombs were hurled at an IDF tank near Shechem; no one was hurt...