Natrona County fire officials and Casper Police are investigating a suspicious Friday morning vehicle fire off 23rd Street in Casper.

Dave Baker, the Natrona County fire inspector, says crews were called at around 1:00 a.m. Friday to the intersection of East 23rd Street and McKinley Street to put out the blaze.

First arriving units from the city of Casper found a pickup truck fully involved with fire," Baker said. "It was threatening an adjacent apartment building and also two other vehicles that were parked next to it."

Baker says the nearby apartment building sustained some fire damage.

Investigators say they do not have a suspect at this time.

Those with more information are urged to contact the Natrona County Fire District at (307) 234-4679 or the Casper Police Department at (307) 235-8278.