Air India Flight 171 was “involved in a tragic accident,” the airline’s chairman said. The plane was due to fly from Ahmedabad to London’s Gatwick Airport.

Investigators recovered the black box of the ill-fated Air India Boeing 787-8 Dreamliner (AI171) from the rooftop of a medical college hostel, a day after it crashed in Ahmedabad, killing 241 of the 242 on board.

The Ministry of Civil Aviation on Saturday provided fresh details on the deadly Air India crash that occurred on June 12 in Ahmedabad, killing at least 260 people, including passengers and people on the ground.