Iranian President Raisi dies in helicopter crash

Iranian state media has confirmed that President Ebrahim Raisi has died in a helicopter crash in north-western Iran on Sunday.

The cause of the crash is still unclear.

Rescue workers are at the scene of the crash, and an image released by Iranian state media shows them searching the wreckage. President Raisi was travelling with the country's foreign minister, who has also been confirmed dead. The crash site has been located, but there is no word yet on any other casualties. This is a developing story and we will update it as more information becomes available.