SAN TAN VALLEY, Ariz. - The Pinal County Sheriff's Office is advising San Tan Valley drivers to avoid Ironwood and Germann roads after a serious crash.

The crash involves two semi-trucks, PCSO said.

Aerial footage showed the trucks were severely damaged. A third truck with damage was also at the scene.

PCSO did not say whether the drivers were injured or not.

How long the road will be shut down is not known at this time.