Preliminary data based on the notification from the Bangladeshi authorities:
On arrival at Saidpur with an ATR 72-500 type of aircraft. On arrival at Saidpur Airfield, the Pilot Flying (PF) made a normal approach and touched down presumably on the main wheels. Soon after the ground contact of the nose wheel, the aircraft started vibrating severely. The PF controlled the aircraft with brake and rudder. The aircraft was stopped on the runway and both the engines were switched off.