Kanye West is under observation at a Los Angeles hospital, following an abrupt cancellation of his concert tour on Monday. A source close to West’s family told CNN that the rapper is being treated for “exhaustion” at UCLA Medical Center. The decision to hospitalize West came after Los Angeles police responded to a disturbance call. TMZ reported that he was at his trainer, Harley Pasternak’s home at the time and was “acting erratically.” Police called L.A. Fire, and by the ...