West Bengal police has arrested People's Committee against Police Atrocities leader Manoj Mahato, a key accused in the May 28 Gyaneshwari Express derailment.
Mahato was nabbed from a hideout at Madhupurkhal village early on Saturday morning, according to police sources.
However, his family has claimed that their son was picked up from their home in Birkar village.
A dozen-odd cases have been filed against Mahato.
Earlier,
PCPA members behind Gyneshwari mishap: CBI
Video: PCPA leader wanted in train mishap killed
Van used by saboteurs seized, PCPA member arrested
PCPA activist arrested in train derailment case
Prime accused in Gyaneswari derailment arrested