Patiala, Sept. 11 -- Two convicted retired Punjab Police officers, serving life terms in separate fake encounter cases, were attacked by a fellow inmate on Wednesday inside Patiala Central Jail, authorities said.

A third officer, an inspector who is facing trial in another case, was also injured in the attack.

The injured have been identified as former deputy superintendent of police (DSP) Gurbachan Singh and former inspectors Sooba Singh and Inderjit Singh. While Gurbachan Singh and Sooba Singh are serving life terms awarded by CBI courts, Inderjit Singh is under trial in some other case.

According to jail officials, who didn't wish to be named, said that the attack was carried out by Sandeep Singh alias Sunny, an accused in the murde...