Escaping Tianjin's Toxic Air

Residents of Tianjin express concerns over the release of chemicals after the blast there.

The United States says it's investigating reports that chemical weapons have been used by Islamic State militants in northern Iraq.

Zimbabwe's President Robert Mugabe has called on Britain to return the skulls of people killed fighting the British imperial troops at the end of the 19th century. Zimbabwean technical experts have been invited to the Natural History Museum in London.

(Photo: Women wearing face-masks in Tianjin. Credit: EPA/Wu Hong)