CENTER CITY (WPVI) --Firefighters battled a fast-moving fire in Center City Philadelphia early Monday.
It broke out before 4 a.m. Monday in the 200 block of South 10th Street.
Crews focused their efforts on a back deck, where the heaviest flames were concentrated.
They had the blaze under control within half an hour.
No one was hurt.
Investigators were working to determine the cause.