Dhaka, June 21 -- Iran said Friday it would not resume nuclear negotiations with the United States until Israel halts its attacks, as Israel's military chief warned the week-old war will be "prolonged".

A series of blasts were heard in Tehran on Friday as Iran's Fars news agency said air defences had been activated, as Israel kept up its bombardment and Iran launched missiles at its arch enemy.

"We must be ready for a prolonged campaign," Israeli military chief Eyal Zamir told Israelis in a video statement, eight days after his country launched a massive wave of strikes it said were aimed at stopping Iran from developing nuclear weapons - an ambition Tehran has denied.

"The campaign is not over. Although we have made significant achiev...