NORFOLK, Va. (WVEC) -- Gov. Ralph Northam has declared a state of emergency in the aftermath of Sunday night's powerful storms.

Northam tweeted Monday that he made the declaration "to help local and state agencies respond to damage" from Sunday night's storms.

Across Virginia, nearly 12,000 customers were left without power earlier Monday morning.

In Hampton Roads, most of the outages are in Virginia Beach and Chesapeake.

Click here to view Dominion Energy's outage map.

Storm damage was particularly heavy in areas near Lynchburg and Danville. Peter Corrigan, a National Weather Service meteorologist, said by phone that an investigation is underway to determine if tornadoes touched down.

In Amherst County, near Lynchburg, county administrator Dean Rodgers said about 20 homes were destroyed and multiple people were taken to the hospital with non-life-threatening injuries.

The Danville Register & Bee reported that two homes were heavily damaged by fallen trees.

Police said a Lynchburg police officer was struck by a motorist while directing traffic. He suffered non-life-threatening injuries.

The Associated Press contributed to this report.

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