Explosions were heard in the US-run airbase at Al-Udeid in Qatar as short-and-medium-range ballistic missiles, originating from Iran, targetted the site. There are no reports of US casualties. Also in the programme: after Israel targeted Iran's Evin prison, which holds many political prisoners, an Iranian-American journalist who was a prisoner there tells us about the jail; and scientists learn that killer whales like massaging each other with seaweed.

(Photo: Interceptor missiles are fired after Iran's armed forces say they targeted the Al-Udeid base in a missile attack, as seen from Doha, Qatar Credit: REUTERS/Stringer)