ride regularly in London, and they decided to continue to do so, despite the opening of the London Olympics this evening.
Police in London apparently told cyclists involved in the "Critical Mass" procession to keep moving and keep south of the Thames.
While there is little information available yet, the following tweets were seen on the London Metropolitan twitter
: Latest media reports are stating that at least 50 people were detained and their bicycles were loaded on to special buses parked nearby.
The Critical Mass hold a cycling event monthly, typically on a Friday, all over the world.
Cyclists claim that they were "kettled" on the outskirts of the Olympic Park near the Stadium and witnesses have said that police pushed the cyclists aside to allow famous soccer player David Beckham through the traffic.