Hosseini tells Al Jazeera that 'there is a strong probability of action' as the IRGC announces strikes on rebel targets.
Pentagon asserts US forces are tracking Russian-Iranian operations amid escalating conflict in the region.
Iran's President Masoud Pezeshkian has apologised for attacking neighbouring countries, in a pre-recorded address.
Moment drone strikes Dubai International Airport
Overnight US-Israeli strikes in Tehran target airport
Arab states in the Gulf and beyond that house US assets have been targeted in Iranian retaliatory strikes in the war.
Long queues formed at fuel stations in Pakistan ahead of a government announcement to raise prices.
Lebanese Health Ministry says at least 16 people killed, 35 wounded in Israeli air raids on the town of Nabi Chit.
Explosions shake Iran as US-Israel attacks intensify, marking eight days of conflict and retaliation from Iran.
Calls at home for leader of the world's largest Muslim nation to distance from Washington amid US-Israel war on Iran.