1.   Crowds milled behind the police barricades.

2.   Hundreds of workers milled behind a police cordon outside the neoclassical stock exchange building, where the main trading floor is located, before returning to work.

3.   Traffic jams backed up on both ends of the street, and large crowds milled behind the police barricades .

4.   Traffic backed up, large crowds milled behind the police barricades, and scores of stores and restaurants were closed.