MT. VERNON — Three vehicles were involved in a collision on Illinois 37 at Third Street in Ina early Monday afternoon. The accident involved two trucks that were towing a tractor and boat. According to eyewitnesses, an eastbound car driving by Mark Adams pulled in front of the truck towing the boat, driven by Clifford Harrell of DuQuoin, which was southbound on 37. The impact of that collision caused Harrell to cross the median into a northbound truck driven by Joe Wilkerson of Ina. Wilkerson’s truck was destroyed by fire. Harrell and Wilkerson were transported to local medical facilities by Litton Ambulance Service for unknown injuries. A passenger in Harrell’s truck was not injured. Adams was not injured.