DENVER (KDVR) — Southbound Interstate 25 was mostly closed at the 6th Avenue Freeway on Tuesday night for a crash, with two lanes open as of 10 p.m.

The Denver Police Department told FOX31 that the crash involved a vehicle and a motorcycle and was reported at about 8:36 p.m.

The driver of the motorcycle was transported with serious injuries.

Traffic was being diverted from southbound I-25 onto westbound 6th Avenue. However, traffic backups were still present, with slow or stopped traffic in the southbound lanes stretching past Interstate 70.

This is a breaking news story. FOX31 has a crew on the way to the scene to learn more details, including what the hit-and-run vehicle looks like, the extent of the motorcyclist's injuries and how soon the interstate may reopen fully to traffic.