At least nine Palestinians were killed in Israeli airstrikes in the northern and southern Gaza Strip on Sunday, Palestinian civil defence and health officials said, in what Israel's military called a response to Hamas ceasefire violations. Medics said an Israeli airstrike on a tent encampment housing displaced families killed at least four people, while health officials said another strike killed five in Khan Younis in the south. "In recent hours, the IDF has begun striking in response to Hamas'