UK Prime Minister Rishi Sunak urged Iran on Monday to de-escalate tensions in the Middle East, following a drone strike on Saturday that resulted in the death of three American soldiers. “We are concerned and urge Iran to continue de-escalating tensions in the region,” said Sunak. After a drone attack by Tehran-backed forces on US soldiers in Jordan, President Biden vowed, the United States “shall respond.” Biden made it clear the US “will hold all those responsible to account at a time and in a manner of our choosing.” The Islamic Resistance in Iraq claimed responsibility for the strike. At l…