An investigation is underway as to what caused an Air India airliner carrying 230 passengers and 12 crew members to crash shortly after takeoff on Thursday.

Authorities have started handing over remains of the victims of one of India’s worst aviation disasters after identifying some through DNA tests, days after the Air India flight crashed and killed at least 270 people in Gujarat state,

Three days after the crash, only 35 bodies had been handed over to relatives from an overall official death toll of 270.