BBC, March 4: US Defense Secretary Pete Hegseth says a US submarine sank an Iranian warship in the Indian Ocean with a torpedo
Hegseth did not name the ship - but earlier, the Sri Lankan navy said around 140 people were missing after an Iranian ship went down off the coast of Galle
Meanwhile, Israel says it hit "security headquarters" across Tehran, as US-Israeli airstrikes continue in Iran
"It's getting worse and worse every day," one man in Tehran tells the BBC. A three-day funeral ceremony for ex-Supreme Leader Ayatollah Ali Khamenei, due to start this evening, has been postponed
Israel is also hitting Lebanon - we speak to the owner of a Lebanese hotel that was hit
New attacks, apparently from Iran, have been reported in Saudi Arabia and Kuwait, while Turkey says "Nato defences" shot down an Iranian missile
Meanwhile, the UK confirms details of a repatriation flight from Oman - it will leave Muscat at 23:00 local time tonight (19:00 GMT)