TULSA, Okla. (AP) -- About 28,000 Public Service Company of Oklahoma customers are still without power this morning after a powerful storm hammered Tulsa early yesterday.

And 25 to 30 traffic signals in the city are without power and the city has placed four-way stop signs in those intersections.

PSO spokesman Stan Whiteford said most of the outages would be repaired by today but some scattered outages may not be back online until tomorrow.

About 68,000 customers were without power at the height of the storm.

Five people were treated by Emergency Medical Services Authority paramedics for storm-related injuries.

EMSA spokeswoman Tina Wells says a woman and young girl were hospitalized in fair condition after their car hydroplaned and crashed in Sand Springs.

A man in Tulsa is also in fair condition after being shocked while using a chain saw to clear downed limbs and a woman has minor injuries after falling while clearing limbs.

and a chronically ill woman was hospitalized after power outages left her medical equipment useless.

(Copyright 2008 by The Associated Press. All Rights Reserved.)