UN calls for independent investigation into Libya migrant attack

The UN says an attack which killed more than 44 migrants at a detention centre outside the Libyan capital could constitute a war crime. We ask a former US envoy to Libya who might be behind the attack.

Also on the programme: China's Ambassador in London lambasts the UK over Hong Kong; and is it hip hop hypocrisy for Saudi Arabia to allow the provocative US rapper Nicki Minaj to perform at a music festival in the Kingdom?

(Photo: Migrants carry the remains of their belongings from the rubble at the detention centre near Tripoli. Credit: Reuters)