About 6,000 still without power in Rohnert Park Monday night

About 6,000 PG&E customers are without power Monday night in Rohnert Park, a PG&E spokeswoman said.

The outage started just before 5 p.m. and initially affected 11,689 customers, spokeswoman Karly Hernandez said.

The cause is being investigated. PG&E officials do not know yet when the affected customers will have their power back.