MADISON — The southbound lanes of I-55 at mile marker 107 here are now open following a multi-vehicle accident at approximately 9:13 a.m. 
According to Madison Police, a metal ladder was in the center lane of the interstate and vehicles collided with one another while trying to avoid it. 

"As a result three vehicles and an 18-wheeler truck collided in the area near the ladder,” a release from MPD stated. "The driver of a pick-up truck involved in the crash was ejected from their vehicle.  An occupant of another vehicle was also injured during the accident.”
The two injured people, whose identities weren’t initially released, were transported to University of Mississippi Medical Center by Pafford Ambulance Service.
Police say they do not know the owner of the metal ladder at this time.
The scene was cleared at 10:30 a.m.