In Orissa, one railway staff has been killed and four others are feared to have died in an accident between two goods trains at Tangriapal station, about 125 kilometres from Bhubaneswar early Wednesday morning.The accident occured when a goods train halting at the Tangriapal station, had a head-on collison with another goods train loaded with iron ores, coming from Nayagarh station in Keonjhar district.The body of an assistant train driver has been recovered. According to Divisional Railway Manager of Khurdha Road Rail Division, Sanjeeb Garg, the casualty is likely to rise to five. About 10 bogies and the engines of the two trains have been derailed in the accident. Rescue and relief operation is going on at Tangriapal railway station to restore normalcy in train movement. The incessant rain since early morning at the accident site, is coming in the way of relief operation. A medical team and senior railway officials have reached the site. A pair of express trains on the rail route have been cancelled.