Kolkata: Maoists triggered a blast on the tracks in West Midnapore district early Friday, killing at least 20 passengers and leaving over 150 injured.
Following is the chronology of Maoists` targeting trains in West Bengal, Jharkhand and Bihar.
Apr 22, 2006 - Maoists lay siege to a passenger train in Latehar for eight hours.
May 2008 - Maoists lay siege to a passenger train in Latehar for five hours.
Nov, 2009 - Maoists blow up railway tracks in Simdega district in Jharkhand derailing a passenger train killing two persons and injuring 38 people.
October 27, 2009 - Maoists detain Bhubaneswar-New Delhi Rajdhani Express for eight hours during a bandh called by the People`s Committee Against Police Atrocities (PCPA).
May 19, 2010 - Maoists trigger landmine blast on railway tracks near Jhargram in West Midnapore district injuring two drivers of a goods train and leaving the engine damaged.
May 20, 2010 - Fourteen oil tankers of a goods train derail and catch fire after Maoists blow up railway lines between Dighwara and Pipra stations in Bihar under Muzaffarpur-Narkatiyaganj section of East Central Railway.
May 22, 2010 - Two persons, including a policeman, travelling in the Tatanagar-bound Steel Express, injured in crossfire between Maoists and joint forces at Banstala station in West Midnapore district.