Security forces armed with riot gear and water cannons formed a cordon around the protesters.
By nightfall, police were battling some 20, 000 protesters with tear gas and water cannons.
He has used spoiled pie filling, fired from water cannons, as a weapon at sea.
The whaling ship blasted its horns and turned on its water cannons, which sent powerful jets overboard.
Water cannons and thermal imagery systems are in place in a bid to defend against potential pirate attacks.
Turkish police routinely use tear gas and water cannons to break up demonstrations.
CNN: Police try to break up Istanbul shopping project protest
Police on Thursday blocked a march into Nairobi in support of Odinga's party with tear gas and water cannons.
Hun Sen's men dispersed them with water cannons, cattle prods and rifle butts.
Egyptian riot police stopped the people from going through the crossing and fired water cannons at the demonstrators, witnesses said.
"Police deployed two water cannons, 32 tactical support group officers and in all there were over 200 people deployed, " Ms Boyd said.
For instance, why weren't there water cannons along the border with Lebanon?
Reports of water cannons and helicopters being used to spray water on overheating nuclear reactors in Japan may have also cooled down tension in markets.
Now, police and military forces have sprayed them with water cannons.
Armoured vehicles with water cannons and dogs were deployed.
The police respond with water cannons.
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Conservation group WWF says the extensive use of cannons drains the water and electricity supplies, and the building of the pipes disfigures the mountain landscape for many years.
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