PHILADELPHIA (CBS) — Philadelphia police are investigating the theft of a heating oil truck that contained nearly 3,000 gallons of heating oil.

According to investigators, a truck from Mamas Boy Heating Oil company was stolen either sometime late Monday or early Tuesday morning. The theft was discovered Tuesday morning.

Investigator say the truck was parked on the street outside the company’s headquarters on S. 58th Street in Southwest Philadelphia.

At the time of the theft, the truck contained approximately 2,800 gallons of heating oil, along with $3,000 in cash in a lockbox.

The truck has not been located.

Due to the volatile nature of the fuel and the potential for an explosion, officials with Homeland Security are involved in the investigation.

Lt. John Walker of the Philadelphia Police Department says, “Anytime you have a vehicle that can carry this amount of liquid, you’re always concerned where that vehicle is. So we try to do our best to locate these vehicles as quickly as possible so we can get them off of the streets so they are not used in any type of situation that creates problems for us.”

Police believe whoever stole that truck is trying to sell the oil on the street to make quick cash.

Anyone with information is urged to contact police.

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