ST. LOUIS (AP) — Two people are injured after an accident that snarled morning rush hour traffic in St. Louis.

KMOV-TV (http://bit.ly/1otqWm2 ) reports that a truck overturned around 8:30 a.m. Monday on Interstate 64, closing all but on eastbound lane. Traffic backed up for miles.

The injured were taken to hospitals. Their injuries are not believed to be life-threatening.

The cause of the accident remains under investigation.

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Information from: KMOV-TV, http://www.kmov.com