Other memories make him ashamed of the left: encounters with Indian Maoists who had just shot dead several landowners, or with Mexican and Italian nihilists threatening to shoot him for apostasy.

ECONOMIST: Bernard-Henri L��vy

The Maoists control large areas of several Indian states in a "red corridor" stretching from the north-east to central India.

BBC: India

In Karnataka, a southern Indian state, a police officer was killed by Maoists in 2011.

WSJ: India Antiterror Agency to Probe Deadly Maoist Attack