On 26 August, an open-ended ceasefire was announced.[37] By this time, the IDF reported that Hamas, Islamic Jihad and other militant groups had fired 4,564 rockets and mortars from Gaza into Israel,[50][51] while the IDF attacked 5,263 targets in Gaza; at least 34 known tunnels were destroyed[50] and two-thirds of Hamas's 10,000-rocket arsenal was used up or destroyed.[52][53] A bomb disposal expe