AGRA/LUCKNOW, Aug. 6 -- Partially decomposed human remains were recovered from an unattended trolley bag inside the general coach of the Chennai-New Delhi Tamil Nadu Express after the train arrived at Agra Cantt railway station early on Wednesday, triggering a multi-state investigation by the Government Railway Police (GRP) and the Railway Protection Force (RPF). Deputy SP, GRP, Rajesh Dixit, said the control room received the information early on Wednesday while the train had already crossed Gwalior and was approaching Agra Cantt. "The caller informed us that a red trolley bag lying unclaimed in the general coach was leaking blood and emitting a strong foul smell. Since the train had already left Gwalior, the information was immediately re...