WASHINGTON, June 14 -- At least one Chinese tourist was killed and more than a dozen others injured Tuesday in a crash involving a tour bus and another vehicle in the United States, local police said.

The accident happened on the George Washington Parkway near Mount Vernon, the plantation house of first U.S. President George Washington, in Virginia.

The bus carrying 19 people overturned after crashing into another vehicle with two people inside, Anna Rose, spokesperson of the U.S. Park Police, was quoted as saying.

Local police told Xinhua at the site that after the accident, some drivers stopped to right the overturned bus in order to rescue the passengers trapped inside.

The victims have been sent to three local hospitals.

The Chinese Embassy in the United States confirmed that there were 17 Chinese citizens aboard the bus. Their identities are still being verified.

The cause of the accident remained unknown. Chinese consular officials have arrived at the site and the hospitals to offer assistance.