An estimated 20,000 seafarers on 2,000 ships have been stuck in the strait since the US-Iran war began in February, a UN agency says. Trump said the US military would start guiding stranded ships from Monday morning local time as a "humanitarian gesture", adding many ships were running low on food - read his announcement in full. But the Iranian military says it will attack any foreign armed force that tries to enter the strait - and, in an unconfirmed report, it claims to have stopped an American destroyer from entering the strait. (BBC)