Fifteen migrant workers in a group of 20 were killed after a cargo train ran over them while they were sleeping on the tracks in Maharashtra's Aurangabad this morning, the railways said. The migrants were walking from Jalna to Bhusaval, 157 km apart. Four of the survivors, who are in shock, are being counselled by the police, senior police officer Mokshada Patil said. The fifth survivor has been admitted to hospital with injuries.