The fire was brought under control by three firefighting units
Customs Intelligence chief Moinul Khan said 10 bars, wrapped with duct tape, were found on Monday morning in a toilet at the immigration area of the Shahjalal International Airport.
"Customs officials started a search after a tip-off from 5am. Around 6am, the gold bars were found inside a waste basket in a toilet," said Khan.
Khan placed the estimated value of the gold bars at around Tk 15 million.
Officials said they were going through video footage to identify the smuggler(s) .