NEW : Willy Lam , an adjunct professor at the Chinese University of Hong Kong 's Center for China Studies , said the incident would be considered a loss of face for Beijing 's leaders , especially if it turns out to be related to Uyghur separatism . Five people detained in connection with deadly crash , police say . The five were arrested on suspicion of murder and other offenses related to the incident that occurred around 1 a.m. Sunday near a highway interchange about 30 miles east of Los Angeles. Uyghur diaspora group says it 's too early to assign blame .
NEW : Five people detained in connection with deadly crash , police say . The five were arrested on suspicion of murder and other offenses related to the incident that occurred around 1 a.m. Sunday near a highway interchange about 30 miles east of Los Angeles. Uyghur diaspora group says it 's too early to assign blame .