ALLEN -- A crash involving two semi trucks in Allen is affecting traffic on U.S. 75.

Police say the two trucks crashed Wednesday morning on U.S. 75 near McDermott. Both semis overturned and one caught fire on the center divider.

No injuries were reported.

Some lanes are blocked on both sides of U.S. 75 and traffic is being forced to take the service road.

Drivers should avoid the area.