Three men and one woman were killed over the weekend in separate crashes in Southeast Oklahoma. In a 2:00 am Saturday morning collision in Pontotoc County, 53-year-old Richard Campbell, of Midwest City, 56-year-old Dathan Lane, of Asher, and 51-year-old Timothy Campbell of Newalla were killed. The second crash, about 9:00 am in Choctaw County occurred on Hwy 70 near Soper and claimed the life of Tommie Ann Scott of Soper.