Sri Lanka attacks: President releases information on alleged ringleader

The alleged ringleader behind Sri Lanka's Easter Sunday bombings was killed in the attacks, President Maithripala Sirisena said.

Also on the programme: how wary should countries be of China's mass global infrastructure project? We look at how the global rubbish markets are changing, and we find out how music could help people who have suffered from strokes.

(Photo: Soldiers stand guard outside a mosque; Credit: AFP/Getty Images)