Photos: Charter bus crash in Blythe leaves 4 dead

A California Highway Patrol officer examines the overturned charter bus.  (Irfan Khan / Los Angeles Times)

Steel pipes litter the roadway in Blythe, where four people were killed and dozens others were hospitalized after a charter bus headed west on Interstate 10 crashed and overturned early Wednesday.  (Irfan Khan / Los Angeles Times)

The crash occurred on the California side of the Arizona state line, between U.S. Highway 95 and Riviera Drive next to the Colorado River.  (Irfan Khan / Los Angeles Times)

The bus belonged to El Paso-Los Angeles Limousine Express Inc., a low-cost charter service that shuttles passengers between major cities across the Southwest and connects to bus lines into Mexico, according to the company’s website.  (Irfan Khan / Los Angeles Times)

Interstate 10, a vital thoroughfare for traffic between the two states, is expected to be closed in both directions until at least noon.  (Irfan Khan / Los Angeles Times)