Fourteen bodies have now been recovered at the site of an overnight collision between two trains in Northern India. The accident occurred nearly 60 miles - or 90 kilometres - northwest of the city of Lucknow. From Delhi, our South Asia correspondent, Mike Wooldridge reports:

Rescue work is continuing and, in addition to the bodies already recovered, there are said to be several more still trapped in damaged carriages. More than 50 people were injured.

This puts the casualty figure significantly higher than most reports had suggested during the night, when the crash site was shrouded in thick fog. What's not clear as yet is how far the fog might have contributed to this collision between two trains travelling in the same direction, towards Varanasi, carrying around a thousand passengers between them.

The Delhi-to-Varanasi Kashi Vishwanath express had hit an animal on the line and had made an unscheduled stop between two stations. The other train, from Barelly, rammed it from behind.