Around 60 people are now known to have died when a train ploughed into a crowd of revellers watching a firework display in India, officials said Saturday.

A commuter train travelling at high speed struck a crowd of people seated on tracks in northern India on Friday and at least 50 were feared killed, Punjab state police and witnesses said.

Doctors in India on Wednesday raised ethical and health concerns after a woman gave birth to her first child in her 70s, following two years of IVF treatment.