He said a greater police presence might be the answer.

A heavy police presence made sure the two groups did not meet.

There is a high level of social control and a strong police presence.

The increased police presence in the school was only one change.

There was a very low police presence on the system.

The heavy police presence is not the only reason for the peace.

But today, in part because of a large police presence, there was no significant trouble.

Many people on the street said the increased police presence made them feel safe.

But the police presence at the north end of the No. 2 line has changed the landscape, in ways good and bad.

On the night of 8-9 November 1939, a meeting took place without police presence.