CHENNAI: A sub-inspector of police, who had voluntarily retired from service recently, was arrested for sexually abusing a Class IX student at Royapuram. The retired SI, Jebakumar, 55, resides in an apartment complex in Royapuram. On Thursday, a 14-year-old girl living nearby informed her parents that Jebakumar had been sexually abusing her at a park in the neighbourhood.Acting on a complaint filed by...