By Simon Lewis and Humeyra Pamuk WASHINGTON (Reuters) – U.S. Secretary of State Antony Blinken on Thursday criticized Israel’s conduct in its southern Gaza offensive, saying there was a “gap” between its intent to protect civilians and what has been happening on the ground. Speaking at a news conference in Washington following a meeting with British Foreign Secretary David Cameron, Blinken laid out concrete steps to ensure civilians are out of harm’s way and the areas they go to are supplied with food, medicine and water. “As we stand here almost a week into this campaign into the south … it…