ARVADA, Colo. (CBS4) – Arvada firefighters put out a house fire overnight.

(credit: Arvada Fire)

Fire crews say the house, near 60th Avenue and Kipling Parkway, was engulfed in flames when they arrived just after 3 a.m. on Friday.

Authorities are investigating what sparked the flames. So far it’s unclear how much damage was caused; fire crews say no one was injured.