Dhaka, Nov. 14 -- Police in Khagrachhari's Ramgarh have taken two Chinese nationals into custody, saying they travelled to the hill district "without permission".

Police seized laptops and several other electronic devices from the duo-Jiang Chengtong and Teng Tonggui.

Ramgarh Police Chief Md Main Uddin said the two Chinese passport holders were being kept in their custody until Friday afternoon.

They were detained on Thursday evening from a residential building in the Ramgarh municipality area. The pair had rented the flat for a month.

Citing a home ministry circular, the police chief said foreign nationals require prior permission to travel to or enter the Chittagong Hill Tracts, but the two had no such approval.

Police say the two ...