KENSINGTON (WPVI) -- Officials say no one was home when fire broke out at a home in the Kensington section of Philadelphia.
The blaze was reported at 3:45 a.m. Monday in the 3000 block of Arbor Street.
Heavy fire was showing on the second floor when firefighters arrived.
It took them about 20 minutes to put the blaze under control.
No one was hurt.
Fire investigators are working to determine the cause.