WASHINGTON (WJZ) — The Washington Monument lights went out earlier Sunday night, and now the National Park Service is working to find out why.

The NPS announced Saturday that the monument was closing due to increasing coronavirus numbers, but the service said the two aren’t related.

READ MORE: COVID-19 In Maryland: More Than 1.1K New Cases & 15 Deaths Reported Sunday

MORE NEWS: Ocean City Promises "Zero Tolerance" For Lawbreakers At Unsanctioned H20i Car Event

The good news is, the outage is not affecting the flashing red aviation light at the peak of the monument.

CBS Baltimore Staff