TNN, Raipur :Seven personnel of Special Task Force (STF) were killed and eleven others injured in an encounter with outlawed Communist Party of India (Maoist) rebels at a village near Chhattisgarh’s Bastar region on Saturday.Additonal director general of police (anti-Naxal operations) Rajinder Kuamr Vij said that the encounter took place at Pidmal village between Dornapal and Chintagufa when the rebels tried to attack the security personnel. The forces retaliated leading to a fierce encounter during which seven security personnel died and eleven others injured.READ ALSO: Police on vigil against Maoist upsurgeThe gun-battle continued for more than an hour with the rebels who were believed to be in large numbers. STF’s commander Shankar Rao is among the dead.The injured personnel have been shifted to nearby hospitals and the critically injured are expected to be airlifted to state capital for further treatment.