PITTSBURG, Kan. — Two people were killed and two seriously injured in two separate vehicle collisions Monday in Crawford and Cherokee counties, according to the Kansas Highway Patrol. The first crash occurred shortly after 3 p.m. Monday on Highway U.S. 69 Alternate just north of Baxter Springs, when a northbound 2006 Pontiac G6 crossed the center line and struck a southbound 2016 GMC truck head-on. The driver of the Pontiac, 20-year-old Trey Cunningham of Grove, Oklahoma, was transported to Freeman West in Joplin but his injuries suffered in the crash proved fatal, according to the KHP.