Black-faced langur monkey
Media playback is unsupported on your device

Monkey security for Delhi games

Delhi authorities have deployed a contingent of large black-faced langur monkeys at the Commonwealth Games venues to scare away smaller simians.

At least 10 langurs have been on duty outside some of the venues in the Indian capital.

The BBC's Tom Burridge reports.

Go to next video: Monkeys smuggled in socks