LITTLETON, Colo. (CBS4) – Littleton Police asked residents on Riverwalk Circle between Federal Boulevard and Santa Fe Drive to shelter in place on Tuesday afternoon. Police responded to an person barricaded in a home in that area.

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Riverwalk Circle is closed at Prince Street, police say.

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At around 3:45 p.m., police stated on social media they are on scene of an active SWAT situation, but the threat is contained. At 6:30 p.m., officials say police took the barricaded person into custody.

They say residents can return home and might still see police investigating, but the area is safe.

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Copter4 flew over the scene and saw at least two, possibly three, vehicles involved in a crash.

(credit: CBS)

It appears a silver sedan collided with a red sedan. A pickup truck is also nearby.

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Police have not said if the crash is related to the SWAT situation.

Danielle Chavira