India, Dec. 3 -- At least 12 Maoists and three District Reserve Guard (DRG) personnel were killed during a gunfight in a major anti-Maoist operation that is underway in the West Bastar Division of Chhattisgarh along the Bijapur-Dantewada inter-district border, officials said.

The encounter began around 9am when a joint team of Dantewada-Bijapur DRG, the Special Task Force (STF), CRPF and CoBRA commandos launched a search operation in the dense forest region.

Intermittent firing between Maoists and security personnel continued throughout the day in which another jawan also sustained injuries.

Bijapur superintendent of police Jitendra Yadav said the operation is in a "decisive phase" and that an "aggressive offensive" against Maoists is ...