Dhaka, Oct. 31 -- Police suspect former Air Force officer Tahsif Souri may have been killed for "recording and circulating" a video of ousted prime minister Sheikh Hasina leaving Bangladesh, a prosecutor told a Dhaka court.

The court on Saturday remanded murder suspect Ahmed Shahriar Reza Dwip for four days.

The prosecution sought seven days to investigate Dwip's suspected involvement.

Inspector Firoz Uddin, investigating officer, said custody was necessary to prevent Dwip fleeing or obstructing the investigation.

Prosecutor Azizul Haque Didar said Tahsig had filmed Hasina's departure and shared the footage on social media.

"The victim may have been killed for this. The suspect must be remanded to find out the facts and who else was ...