Mumbai, June 10 -- Four people were killed and nine others injured when two overcrowded suburban trains on the Central Railway passed by each other on sharply curved tracks near Mumbra railway station in Thane on Monday. Eyewitnesses said commuters hanging out of the crowded trains hit each other as the locomotives moved in opposite directions. "The trains involved were the CSMT-Karjat Down Fast local and the Kasara-CSMT Up Fast local. As the two trains passed each other at high speed, passengers hanging out of the coaches on footboards collided, causing ...them to fall onto the tracks," a release from Thane railway police station said. P7...