UDPATE (WKOW) -- Sun Prairie police say Saturday afternoon's incident on Highway 151 is related to a shooting.
Police say a darker colored sedan fired shots at a black Jeep Cherokee while going southbound on Highway 151.
Shell casings were found at the scene, and preliminary information points to the shooting being targeted.
Law enforcement officers say no one was hurt, and they're currnetly working to identify any possible suspect or suspects who may have been involved.
If you have information related to the incident, call the Sun Prairie Police Department Non-Emergency Line at 608-837-7336, or anonymously at (608) 837-6300.
UPDATE (WKOW) -- As of about 5 p.m., police say they've reopened the highway.
SUN PRAIRIE (WKOW) -- The Sun Prairie Police Department has closed the southbound lanes of US 151 from Main Street to Grand Avenue due to an active investigation.
Police closed the road around 4 p.m. Saturday. They recommend exiting off US 151 SB at Windsor Street until further notice.
Officials did not disclose the reason for the closure.