New Delhi, November 20: An explosion ripped off a part of a railway track in Jharkhand's Dhanbad division derailing a diesel locomotive in the early hours of Saturday. The Railways said it was a "bomb blast" which occurred between Garwa Road and Barkana section in the Dhanbad division.

"Unusual incidence of bomb blast by miscreant causing derailment of diesel loco on Dhanbad Division," the Railways said. Sources indicate that this was a Naxal-related incident.  Maharashtra: 13 Naxals Gunned Down by Police in Gadchiroli Encounter.

No death or injury has been reported. Senior officers have rushed to the site and restoration of the track is awaited, officials said.