Live Earth cancellations have risen to 3 gigs with the Los Angeles portion of the extravaganza being nixed. Due to take place at the famed Memorial Coliseum, the event has been called off for reasons unknown. Busta Rhymes, Ciara and Tyrese were to appear at the now-cancelled venue that follows Rio De Janeiro and Istanbul as cancellations.http://www.contactmusic.com/news.nsf/article/los%20angeles%20viva%20earth%20gig%20cancelled_1036367