Shots fired in northbound lanes of I-43 near Good Hope Rd.

GLENDALE --The Milwaukee County Sheriff's Office confirms a gun battle that started around noon ended on I-43 near Good Hope Rd.

The sheriff's office says it's unclear who began shooting at who, but witnesses say both car were shooting at ech other.

We're told none of the shots fired actually injured anyone. All three people in the vehicle that ended up in a ditch have been arrested. Several agencies are searching for a possible fourth individual who possess the gun used in this shooting. Investigators have yet to recover a weapon.

One northbound lane of I-43 will be closed while the sheriff's office conducts their investigation. They are recommending motorists exit I-43 North at Capitol Dr. or Silver Spring Dr.