The Customs Intelligence and Investigation Department (CIID) officials detained a man with four kilograms of gold at Shah Amanat International Airport in Chittagong.
The detainee, identified as Mohammad Ilias, is a sweeper of Bangladesh Biman.
Reazaul Islam, Deputy Commissioner of the Customs Intelligence and Investigation Directorate (CIID), said acting on a tip-off, the custom officials recovered the gold bars from his possession on Wednesday morning.
The sweeper entered a Dubai flight that landed at Chittagong airport at 11am on Wednesday from UAE, to clean. He was caught red-handed with the gold bars weighting 4kgs, the customs intelligence officer said.
A case will be filed in this connection, CIID sources said.