water cannon
watercannon

Too late, a water cannon arrived to clear the field.

The way we police in Britain is not with water cannon.

Most water cannon fall under the category of a fire monitor.

Water cannons were fired on people who did not clear the way.

Police fired into the air and used water cannons to break up the march.

It looked as if the rain would hold off awhile longer, but no one was likely to buy a water cannon in any case.

On the main road in and out of Jerusalem, the police used a water cannon to drive protesters from the street.

It was the first purchase of a water cannon in Australia.

Monitors can also be used as water cannons for crowd control.

Detachments of police went after individuals and when the street was nearly clear, water cannon were brought in.