Always makes me laugh when you see these sorts of scenes. It's a particularly British phenomenon, in that nobody actually has a scrap, but lots of chairs are lifted and tables are wobbled.
If you have ever seen that footage of those Russian hooligans during the world cup. They were all wearing black t-shirts and built like brick shithouses. They walked down the street and just leathered everyone, then they moved onto the next street and leathered everyone there. Then they ended up in a square, about 25 of them, and about 2000 fans from different countries who all ran away.
No street furniture was harmed.