Authorities here have sent 168 Rohingyas to jail after they were found living illegally in the city, officials said on Sunday. The Jammu and Kashmir administration on Saturday had began a drive to collect biometric and other details of Rohingyas staying here. The drive is part of an exercise to trace foreigners living in the city without valid documents. At least 168 illegal immigrant Rohingyas have been sent to Hiranagar jail, a senior police officer told PTI. The verification process of Rohingya Muslims from Myanmar was carried out at the MAM Stadium here amid high security, the officials said, adding further verification of the foreigners is going on, they added.