A tornado may have caused damage in Rockwall County at around 4:45am this morning.
Damage clearly shows roofs damaged. The NWS will survey this damage to determine whether a tornado did occur or if it was straight-line winds. The top picture shows the damage to both a car, roof, and trampoline. 

A caller advised Rockwall County dispatchers that a possible tornado had just hit a neighborhood near FM 548 North and State Highway 205. Several houses were damaged, and power was out in some of the areas in the southern part of the county. No injuries have been reported.

Photos are via the Rockwall County Sheriff Office