Karimganj: Two Bangladeshi nationals who crossed over to the country through the Tripura border were netted by police in south Assam's Karimganj district on Saturday.

Official sources said the duo Burahnudddin (50) and his son Lokman Hossai (30), hailing from Narasinghi in Bangladesh, were arrested by government railway police from theKarimganj railway station when they arrived in a train from Nagaon on Saturday.

They confessed that they crossed the border in Tripura last month and visited a relatives house in Nagaon.

Their interrogation is on, the police added.