A San Patricio constable is recovering after his patrol unit was rear-ended by a truck just after 7 a.m. Wednesday on southbound U.S. Highway 181.

Department of Public Safety investigators said the truck rolled over after hitting the San Patricio County unit. The driver of that truck, along with Sheriff's Deputy Nicholas Harwood, were both taken to the hospital to be checked out.

The driver of the truck was cited for having an invalid drivers license.