An armed conflict between Israel and Hamas-led Palestinian militant groups has been taking place chiefly in and around the Gaza Strip since 7 October 2023. It began when Hamas launched a surprise attack on southern Israel from the Gaza Strip. After clearing the militants from its territory, the Israeli military embarked on an extensive aerial bombardment of the Gaza Strip followed by a large-scale ground invasion beginning on 27 October. Clashes have also occurred in the Israeli-occupied West Bank and with Hezbollah along the Israel–Lebanon border. The fifth war of the Gaza–Israel conflict since 2008, it is part of the broader Israeli–Palestinian conflict, and the most significant military escalation in the region since the Yom Kippur War 50 years earlier.