Authorities in Gaza said dozens of Palestinians were killed Tuesday in three separate strikes, as Israel pounded the territory despite renewed US criticism of the high civilian toll. Gaza civil defence spokesman Mahmud Bassal said the three air strikes killed at least 44 people and wounded dozens within an hour across the war-torn Palestinian territory. The health ministry said a strike on a fuel station in Al-Mawasi in southern Gaza killed 17 people, and the Palestinian Red Crescent said a separate strike at almost simultaneously hit the UN-run Al-Razi School in the Nuseirat refugee camp in c…