By Steve Beck, Al Novack

PHILADELPHIA (CBS) — One suspect is in custody and two remain on the loose after a police chase that started in Montgomery County and ended in Philadelphia early Tuesday morning.

Police say the incident began in West Conshohocken when three suspects stole a work van.

Officers began a pursuit of the van, which came to an end on the Martin Luther King Drive near the Strawberry Mansion Bridge in Philadelphia.

Police took one suspect into custody, but the two other suspects were able to escape and remain at large.

Authorities have not said which street the van was stolen from.

The incident remains under police investigation.