By CBS3 Staff

PHILADELPHIA (CBS) — Power is finally back on at 30th Street Station in Philadelphia. The lights went out around 8:45 p.m. Sunday, leaving many passengers in the dark.

PECO says it was because of an equipment problem.

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This happened as many people were returning from the Made in America concert.

Many surprised passengers posted images on social media. One person said it looked like a big “tomb.”

Both SEPTA and Amtrak said the outage did not affect service.

Back-up generators eventually kicked in providing some emergency lighting inside the building.

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Full power was finally restored around 3:30 a.m. Monday.