Forest Department has seized a drone from Alorkol area of Sundarbans' Dublar Char.
Divisional Forest Officer of Sundarban East Md Mahmudul Hasan said the drone was seized from a launch of Desher Bon Sundarban Tourism Company carrying 12 Maltese citizens on Tuesday.
"The foreigners are kept under special surveillance and will be taken to Bagerhat along with the drone on Wednesday."
Bagerhat Police Super Pankaj Chandra Roy said they will investigate the matter once the forest department hands over the drone to them.
A case will be filed against the tourism company, Mahmudul said.