Saturday morning at 10:47, EMS was called on FM 21 in Titus County for a one-vehicle rollover. Another accident occurred Saturday evening at 6:42 in the 1600-block of W. Ferguson. NorTex Firefighters worked a large grassfire on 388 CR4650 at 8:49 with fire in the tops of trees, and an 18-wheeler caught fire at the 161-mile marker Sunday afternoon at 12:41.