The decision makes clear Tehran will continue to exert control over the waterway until a deal is struck, the BBC's diplomatic correspondent writes
Meanwhile, US President Donald Trump says negotiations to end the Iran war are happening "now" and the "people" the US are speaking to "want to make a deal so badly" - the price of oil earlier fell by around 6%
His comments come a day after Iranian officials denied any contact with the US had taken place, calling claims of talks "fake news"
The Pentagon is expected to deploy troops from the 82nd Airborne division to the Middle East, according to the BBC's US partner, CBS News
Israel and Iran are continuing to exchange strikes, while residents of southern Lebanon are warned by the Israeli military to evacuate
US and Israeli media outlets are citing unnamed sources as saying the US has handed over a 15-point plan to Iran about ending the war - the BBC has not seen the document and is working to verify the reports
