Ghaziabad, March 20 -- A 35-year-old man, his wife, and their two minor children suffered severe burn injuries early Wednesday morning after the battery of their e-rickshaw exploded while charging at their house in Sarvodaya Nagar, Vijay Nagar, police said.

Doctors at MMG District Hospital, where the family was admitted, reported that all four had suffered 40-45% burns and were referred to a higher centre in Delhi for further treatment.

The incident occurred around 6.30am on Wednesday at the residence of Bobby Kumar Pal. Police said Pal's 30-year-old wife, Baby (single name), and their two children - a 5-year-old girl and a 6-year-old boy - were at home at the time of the explosion.

"The man was charging his e-rickshaw at home when the...