OXNARD, Calif. -

A fire damaged Fred. L. Williams elementary school on Anchorage Street in Oxnard Thursday night.

Firefighters said the fire spread from a shed to two preschool classrooms.

They said the cause appears to be suspicious.

Fire crews did not know whether the preschool classes would be cancelled or moved to a new location Friday.

The school is in the Hueneme School District.