A preventive team of Dhaka Custom House seized 30 gold bars weighing around 3.48kg at Hazrat Shahjalal International Airport in the capital on Thursday.
Sources at the airport said officials of the team spotted an object in an abandoned condition in a dustbin kept near Bay No 12 of the airport around 9:30am.
Later, the gold bars worth Tk 3.50 crore were recovered from it, said customs official Nafis Amin Rizvi.