Philadelphia police and the FBI are investigating the armed robbery of an armored car in the city's Holmesburg section.
Authorities said three men armed with guns robbed the vehicle on the 8000 block of Frankford Avenue shortly before 10 a.m.
The suspects fled with a large amount of cash, police said. Officials wouldn't give an exact amount, saying they were still gathering information.
No one was injured in the incident.
All three men remain at large.