Admitting that in dealing with the Maoist threat, we had been in a state of denial, Union Home Minister P. Chidambaram said here on Tuesday that the Centre did not accept the theory of an armed struggle, and that unless the left ultras abjured violence, the paramilitary forces will engage them and reassert the authority of the State.

An Indian express train Rajdhani was hijacked by a tribal group linked to Maoist rebels, leaving hundreds of passengers stranded in West Bengal state before security forces managed to regain control.