After two European visitors died, officials heighten warnings as region braces for a scorching weekend.
The deaths of two tourists at Joshua Tree National Park on Monday, believed to be the result of heat exposure, have prompted officials to heighten warnings as the region faces what could be the hottest weekend of the summer.

Read more http://feeds.latimes.com/~r/latimes/news/local/~3/4i5yj8YURUM/la-me-heat-20110825,0,1505859.story