India, Oct. 12 -- An IndiGo flight from Delhi to Chennai was diverted to Hyderabad on Sunday after a passenger's power bank caught fire, once again drawing attention to the fire risks posed by lithium batteries carried onboard aircraft. The cabin crew doused the fire, and the pilots diverted the aircraft as a precaution, according to people aware of the incident.

Flight 6E 6115, carrying 191 people, landed safely at Rajiv Gandhi International Airport around 3.15pm. IndiGo said the crew brought the situation under control on board and the aircraft landed safely.

The aircraft was subsequently grounded for checks and maintenance; its return to service depends on an inspection of any impact or damage, an official said.

Why can power banks ...