1.   It was unclear how far the students are willing to go, but some suggested staging a sit-in along police cordons.

2.   The demonstrators tried to break through a police cordon.

3.   The miners were armed with clubs as they forced their way through a police cordon.

4.   Protesters tried to break through a police cordon.

5.   Scuffles ensued when the demonstrators tried to break through a police cordon preventing them from marching to the tomb of the unknown soldier.

6.   The Young Conservatives had turned their backs on the enemy, broken through the police cordon and forced their way into the hotel.

7.   Within the police cordon, ambulances stood, rear doors yawning.

8.   A few blocks behind the police cordons, horns honked and Neapolitans argued and gestured with the brio they are famous for.

9.   In the ring, they will be separated by a police cordon from one neutral corner to the other.

10.   Last year, she said, a police cordon prevented the party from recurring.