Dhaka, Dec. 5 -- The National Board of Revenue (NBR) believes a group angered by recent measures to prevent the release of falsely declared goods may have been behind the attack on two customs officers in Chattogram.

In a statement issued on Friday, the NBR said it appeared that "officers have come under attack" as a consequence of steps taken to curb revenue evasion.

The incident occurred shortly after 10am on Thursday in Chattogram's CDA residential area, when three men on a motorbike attacked a car carrying two officers from Chattogram Customs.

The attackers smashed the car windows with machetes and threatened to shoot.

Revenue Officer Asaduzzaman Khan and Assistant Revenue Officer Badrul Arefin Bhuiyan of the AIR wing were on thei...