A suspect has been arrested in the beating of a woman at a Rüfüs Du Sol concert at the Rose Bowl Stadium in Pasadena, Calif., an incident that was captured by a fellow concertgoer in a video that went viral and attracted nationwide attention after the victim asked for the public’s help in identifying the

Spectators say the Rüfüs Du Sol show Saturday night was marred by overcrowding and lax security. “We immediately felt unsafe,” said one attendee.