Dhaka, June 20 -- Iranian missiles hit an Israeli hospital overnight and Israel bombed nuclear targets in Iran on Thursday as the week-old air war escalated with no sign yet of an off-ramp.

The head of the International Atomic Energy Agency (IAEA), Rafael Grossi, has said there is no indication that Iran is currently working on building nuclear weapons.

In an exclusive interview with Al Jazeera, Grossi said, "We did not find in Iran elements to indicate that there is an active, systematic plan to build a nuclear weapon."

He added that inspectors have not seen any evidence suggesting that a nuclear weapon is being constructed or manufactured in Iran.Meanwhile, Iran said the main target of a missile attack in which a hospital in southern I...