Interstate 25 headed south at Dry Creek Road in Centennial was shut down briefly Monday evening due to a multi-vehicle crash with unknown injuries, according to the Arapahoe County Sheriff's Office.

Julie Brooks, spokesperson for the Sheriff's Office, said it's not yet known how many people are injured or how badly injured they are.

Traffic was diverted at the previous exit - Arapahoe Road.

Brooks said the crash may have been caused by a medical condition, though that isn't confirmed and is still being investigated.