UPDATE (3:31 p.m.): Valencia Boulevard and Magic Mountain Parkway is open to drivers. Toppers Pizza remains closed Sunday afternoon. Previously published (1:00 p.m.) :A series of underground vault explosions outside Toppers Pizza in Valencia prompted an evacuation and closed the busy intersection of Valencia Boulevard and Magic Mountain Parkway Sunday. The first reported explosion occurred ... The post Power Outage, Evacuations After Vault Explosions Rock Valencia Intersection appeared first on KHTS Radio. ...read more read less