The Maoist attack near Dantewada in Chhattisgarh is the fifth major strike by Naxals in the country this year. Following is the chronology of recent major Naxal attacks.
June 29, 2008: Maoists attack a boat on Balimela reservoir in Orissa carrying four anti-Naxalite police officials and 60 Greyhound commandos, killing 38 troops.
July 16, 2008: 21 policemen killed when a police van was blown up in a landmine blast in Malkangiri district of Orissa.
April 13, 2009: 10 paramilitary troops killed in eastern Orissa when Maoists attack a bauxite mine in Koraput district.
April 22, 2009: Maoists hijack a train with at least 300 people on board in Jharkhand and force it to Latehar district before fleeing.
May 22, 2009: Maoists kill 16 policemen in the jungles of Gadchiroli district in Maharashtra.
June 10, 2009: Nine policemen, including CRPF troops and officers, ambushed by Maoists during a routine patrol in Saranda jungles in Jharkhand.
June 13, 2009: Naxals launch two landmine and bomb attacks in a small town close to Bokaro, killing 10 policemen.
June 16, 2009: Maoists kill 11 police officers in a landmine attack followed by armed assault. In a separate attack, four policemen were killed and two others seriously injured when Maoists ambush them at Beherakhand in Palamau district.
June 23, 2009: A group of motorcycle-borne armed Naxal rebels open fire on Lakhisarai district court premises in Bihar and free four of their comrades including the self-style Zonal Commander of Ranchi.
July 18, 2009:
July 23, 2009: A 40-year-old tribal killed by Naxalites at Ettapalli taluka in Gadchiroli district.
July 27, 2009: Six persons killed when Naxals trigger a landmine blast at Dantewada district in Chhattisgarh.
July 31, 2009: A special police officer and another person killed by Naxals in Bijapur district.
Sep 4, 2009: Naxals kill four villagers in a forest in Aaded village in Chhattisgarh's Bijapur district.
Sep 26, 2009: Naxals kill BJP MP from Balaghat Baliram Kashyap's sons at Pairaguda village in Jagdalpur (Chhattisgarh).
Sep 30, 2009: Naxalites set ablaze Gram Panchayat offices at Korchi and Belgaon in Gadchiroli district of Maharashtra.
Oct 8, 2009: 17 policemen killed when Maoists ambushed them at Laheri police station in Gadchiroli district of Maharashtra.
Feb 15, 2010: 24 personnel of the Eastern Frontier Rifles (EFR) killed as Maoists attack their camp in Silda in West Midnapore district of West Bengal.
April 4, 2010: Maoists triggered a landmine blast killing 11 security personnel of the elite anti-naxal force Special Operations Group in Koraput district of Orrisa.
April 6, 2010: 75 CRPF personnel and a Chhattisgarh police official killed in a naxal attack in Dantewada district.
May 8, 2010: Eight CRPF jawans were killed when Naxals blew up a bullet-proof vehicle in Bijapur district of Chhhattisgarh.
Maoists kill 24 jawans in Bengal, warn Chidambaram