Dhaka, July 25 -- Doctors at the National Institute of Burn and Plastic Surgery have said three of six critically injured patients from the Milestone School and College jet crash are now in "grave condition".

The hospital's Director Nasir Uddin said the update came from the list of eight critical patients identified on Wednesday.

"Two of them have died. Among the remaining six, three are still in the same condition, while three have shown some improvement," he added.

"We are discussing what extensive treatment can be provided for them."

Nasir briefed the media at the burn institute around 8:00 pm on Thursday, giving an update on patients admitted following the deadly crash, bdnews24.com reports.

He said 42 patients are currently unde...