http://www.swrnn.com/2013/05/09/brentwood-injured-mountain-biker-airlifted-to-safety/
Brentwood: Injured mountain biker airlifted to safety
By City News Service, on May 9, 2013, at 10:56 am
A man was injured today while riding a mountain bike on a trail in the Westridge-Canyonback Wilderness Park near Brentwood, authorities said.
(Flickr/Mark Holloway)
Firefighters sent to the area near Mandeville Fire Road just after 9 a.m. employed a helicopter to take the 59-year-old man to a hospital to treat a neck injury, according to Brian Humphrey of the Los Angeles Fire Department.