China Oil Tanker Crash

More than 30 crew are missing and thousands of tonnes of oil are pouring into the East China Sea after the Iranian oil tanker Sanchi collided with a cargo ship. The vessel is carrying around a million barrels of condensate -- a highly toxic and explosive form of oil - and there's a strong risk it will explode or sink.

Also on the programme; Why the BBC's China Editor Carrie Gracie has resigned from her post in a row over equal pay and why some governments are developing their own crypto-currencies.

(Photo: Smoke and flames coming from a burning oil tanker at sea off the coast of eastern China. Credit: AFP/CCTV)