e/Conflicts involving Critical Mass

Information
has gloss	eng: There have been many conflicts during Critical Mass bicycling events resulting in arrests or requiring police presence. Critics claim that Critical Mass, a bicycling advocacy event held primarily in large metropolitan cities, is a deliberate attempt to obstruct automotive traffic and disrupt normal city functions, asserting that individuals taking part refuse to obey traffic laws.
lexicalization	eng: Conflicts involving critical mass
instance of	(noun) the act of protesting; a public (often organized) manifestation of dissent objection, dissent, protest

Media
media:img	Chicago june 27 2008 critical mass arrest in Bridgeport.jpg
media:img	Cmlondonpolice.jpg