23/04/2015

Preview of today's EU leaders summit on how to solve the Mediterranean migrants crisis. The Calbuco volcano in southern Chile erupts for the first time in more than forty years. The Nigerian military launches a major offensive in the Sambisa forest against the Islamist group Boko Haram.

Phil Mercer rounds up all the news Down Under, including the freak storms battering New South Wales

Plus a Hong Kong protestor assesses the government's plans for electing the territory's next leader, astronomers prepare to mark the 25th anniversary of the Hubble Space Telescope, and Dr Karl answers listeners questions from the weird to the wonderful on the world of science.