El Chapo Guzman: Dramatic footage shows raid to capture drug lord

Dramatic video footage has been released by the Mexican authorities, showing the moment they closed in on the world's most-wanted drugs boss, Joaquin "El Chapo" Guzman.

The footage shows marines as they launched a dawn raid on the house where he was hiding, using grenades.

Guzman initially gave security forces the slip after escaping into a secret tunnel. He was later arrested.