Portion Of Laurel Canyon Boulevard Closed In Hollywood Hills Due To Threat Of Debris Flow Posted on January 11, 2017 by Los Angeles 1 Los Angeles Los Angeles News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Authorities Wednesday closed a portion of Laurel Canyon Boulevard in the Hollywood Hills, saying a concrete patio was at risk of falling down a hillside. Sandra Mitchell reports. 1 Los Angeles Los Angeles News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: