Kolkata, Jan 26 (Reporter) Train services in the Howrah section of South Eastern Railway were affected on Sunday when two empty trains -Thirupati-Shalimar Express and a goods train, came on the same track and derailed at Satragachi. Officials said the accident occurred while the trains were proceeding towards Yards. There was no report of any injury since both trains were moving at a snail's pace. The derailment happened while the empty trains were being taken to the yard through parallel tracks at Padmapukur yard in between Shalimar and Santragachi stations in Howrah district. An inquiry has been started to ascertain the cause of the accident...////...