Authorities are investigating the cause of a rollover accident that has left three people hospitalized.
It all happened on the eastbound lanes of Expressway 83 between Mile 2 West and Mile 2 1/2 West.
Paramedics rushed one person to the Valley Baptist Medical Center in Harlingen.
Two adults were taken to the Knapp Medical Center in Weslaco.
Traffic is being diverted off the expressway and onto the frontage road while Mercedes police investigate the accident.
Action 4 News will provide more information as it becomes available.