A historically strong bomb cyclone killed at least two people and caused a mass power outage that could last for days after it slammed the Pacific Northwest and Canada’s British Columbia with destructive winds.

Storm system is expected to weaken as it continues to chart a path over the Cascades and through to northern California and southwest Oregon by Friday

A major storm was sweeping across the northwest U.S., battering the region with strong winds and rain and causing widespread power outages.