Tehran, April 28 -- The death toll from a massive explosion at a port in Iran's southern province of Hormozgan has reached 40, and the government has announced one day of national mourning, Iran's IRIB news agency reported.

The Saturday explosion and the subsequent fire left more than 1,000 people wounded, of whom 197 were hospitalised, the IRIB quoted Hormozgan's Governor Mohammad Ashouri Taziani as saying.

The cause of the incident has not been determined yet, Xinhua news agency reported.

The Iranian government's spokeswoman, Fatemeh Mohajerani, in a post on social media platform X, said the administration had declared Monday a day of national mourning.

Iranian President Masoud Pezeshkian visited the port on Sunday to assess the cir...