PHILADELPHIA (CBS) — Police are searching for clues in two suspicious pick-up truck fires overnight in North Philadelphia.

The first fire occurred at around 1:30 a.m. Saturday in the 900 block of Bristol Street. A second one happened moments later around the corner at Hunting Park near I Street.

Firefighters quickly extinguished both truck fires.

No one was injured in either vehicle fire.

The Fire Marshal and police are investigating to determine if arson was the cause of the fires.