The death toll from a powerful explosion at Iran's biggest port has risen to at least 40, with more than 1,200 people injured, state media reported on Sunday.

Iranian MP accuses Israel of orchestrating the Bandar Abbas port blast that killed 40 and injured over 1,000, claims explosives were pre-planted.

An explosion occurred at Iran's Shahid Rajaee port, resulting in at least four fatalities and over 500 injuries. Israel has denied its involvement. But an investigation is underway.