Northbound I-680 lanes in Walnut Creek open again following protest

All northbound lanes of Interstate Highway 680 are open again in Walnut Creek following a protest on that freeway Monday evening, California 
Highway Patrol officials said.

The freeway was open again as of 6:42 p.m. about an hour after police said it was closed. A curfew in Walnut Creek went into effect at 6 
p.m.