OLNEY (WPVI) --A suspected arsonist was caught on camera causing a small explosion in Philadelphia's Olney section.
It happened on Monday night along the 6100 block of north 4th Street .
The suspect rode up to a garage on a BMX bike and took off his backpack.
A few minutes later, he struck a flame and the entire area burst into flames.
The suspect got away.
It's not clear why this garage was targeted, but if you have information, call police.