Original sentence: Critics say that Critical Mass, held primarily in large metropolitan cities, is a deliberate attempt to obstruct automotive traffic and disrupt normal city functions, when individuals taking part refuse to obey traffic laws, while participants variously consider it a celebration of cycling, of cyclists' rights, and a practical re-imagining of urban space
Edited sentence: 39 year old Ian Hespelt was arrested a few days later by the San Francisco Police department's bicycle patrol at AT&T Park during the Billy Joel concert.Critical Mass, held primarily in large metropolitan cities, is a deliberate attempt to obstruct automotive traffic and disrupt normal city functions, when individuals taking part refuse to obey traffic laws.Hespelt was also wanted in Washington state on a felony drug charge warrant.Hespelt was charged with four felonies including assault, vandalism, maliciously throwing a substance at a vehicle and false imprisonment.In August 2015, KQED posted an article on Critical Mass confrontation between a bicyclist and a Zipcar woman driver in the San Francisco Marina District