UK Riots - "BOPE Em Londres" - A Solution?

My 'friend'  on Facebook, Brazilian Day London, suggested we needed 'BOPE em Londres' during the riots" on Monday night! A rather more violent solution than this particular Brit would be happy with, but I can see where they are coming from!

See Also: http://deadmanchatting.blogspot.com/2011/08/uk-riots-promoting-religious-unity.html

Also it seems Bo-Jo is getting that way, saying water cannon are ready to be deployed in London (I didn't even know there were any outside Northern Ireland!)!