TAMPA, Fla. (WFLA) — Authorities are investigating a serious crash on U.S. Highway 17 in Polk County.

The crash, which involved two vehicles, happened Tuesday morning in the area of U.S. 17 and Windsor Reserve Drive.

There is no word on what led to the crash or exactly how many people were injured, but at least one person suffered serious injuries.

The incident shut down the northbound lanes of U.S. 17 for a couple hours, but the roadway has since reopened.