AGRA/LUCKNOW, Aug. 5 -- The mutilated and 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).

According to GRP officials, the discovery was made after a passenger noticed blood seeping from a red trolley bag lying unattended in the rear section of the general compartment. A foul smell emanating from the bag prompted the passenger to alert the railway helpline, following which the control room informed the GRP.

Deputy SP, GRP, Rajesh Dixit, said the con...