The flight UL 309 was asked to return to Changi Airport on security concerns after it was airborne. On its return, the Singaporean authorities rechecked all the luggage and interviewed a few passengers.
At least five passengers of the flight are being held and questioned by the Changi airport's police division, according to a release here from the national carrier.
Three more passengers were offloaded in addition to the five who had already been detained prior to flight's departure.
The flight later arrived in Colombo at 0042 hrs today after a 3 hour-delay, according to a dailymirror.Lk report.