A fire broke out at the Chittagong Metropolitan Police headquarters in Laldighi area of the city on Monday morning.
However, the source of the fire could not be known yet.
Confirming the information, Chattogram Fire Service and Civil Defence Deputy Assistant Director Purna Chandra Mutsuddi said: "The fire has erupted around 11am at the office Detective Branch (DB) of Chattogram Metropolitan Police (CMP) located in city's Laldighi area."
"Three units of fire service have been sent to the spot, soon after we got the information," he added.
No casualties have been reported thus far.