A case was filed today in connection with the death -- allegedly in police custody -- of Rayhan Ahmed at Bandarbazar Police Outpost in Sylhet city early Sunday.

Read more: Sylhet man dies in 'cop custody'

The authorities today also suspended four policemen, including the in-charge of Bandarbazar Police Outpost Sub-Inspector Akbar Hossain, in this connection, reports UNB.

Additional Deputy Commissioner of Sylhet Metropolitan Police (SMP) Jotirmoy Sarkar confirmed the development and also said three policemen have been withdrawn in this connection, the report added.

Rayhan's wife Tahmina Akther Tanni filed the murder case with Kotwali Police Station, accusing several unknown persons, the ADC added.

In the case statement, she said that Rayhan was tortured to death by some people at the police station.