PALAKKAD: Former deputy commandant L Surendran was arrested in connection with the death of Kumar, a cop of Kallekkadu AR camp. Kumar was fatally knocked down by a train. He was arrested on charge of culpable suicide. He was summoned to the crime branch office and arrested.

Meantime, Sajini, wife of Kumar, said the probe in the case is satisfactory. His body was found lying near Lakkidi on July 25. Officials’ harassment and caste discrimination was alleged as the reason for his suicide.

The case probed by the special team was later handed over to the crime branch. Seven policemen were suspended earlier after finding mental harassment as the reason for his death.