Six months on from the start of the war, the BBC’s international editor Jeremy Bowen returns to a kibbutz in Israel – Nir Oz – that was among the sites hit hardest by Hamas on 7 October.Much of the Gaza Strip has been devastated during the Israeli military operations that began after Hamas gunmen attacked southern Israel, killing about 1,200 people and seizing 253 hostages.More than 33,091 people have been killed in Gaza since then, the Hamas-run health ministry says.Read more: Bowen: Obstacles to peace seem larger than ever