1.   Last night, police officers handed out fliers at the Highland station, asking commuters for help.

2.   Cars were stopped and commuters were asked for their identity cards.

3.   Wielding rubber truncheons, they set up checkpoints in the city and its suburbs, stopping cars and asking commuters for their identity cards.

4.   Wielding rubber truncheons, they set up checkpoints, stopping cars and asking commuters for identity cards.