Israeli air strikes kill dozens in south Gaza ahead of offensive
ISRAELI air strikes on residential blocks in south Gaza killed at least 47 Palestinians, medics said after Israel again warned civilians to relocate as it girds for an onslaught against Hamas in the enclave's south after subduing the north. The head of the U.N. Palestinian refugee agency (UNRWA) said on Saturday it had received "horrifying" images and footage of scores of people killed and wounded in an attack on a UNRWA school in the Israeli-occupied north. "These attacks cannot become commonplace, they must stop. A humanitarian ceasefire cannot wait any longer," UNRWA Commissioner-General Philippe Lazzarini said on social media platform…