Three persons were in jured in two weekend ac cidents in the Glens Falls area. John Brown, 19, of Indian Lake, suffered multiple contusions and bruises in a two-car accident near Exit 22 of the Northway early Saturday morning. State Police investigated. Brown was released from Glens Falls Hospital after treat ment. A small boy and teenage girl were injured in a two car accident near their Greywood Circle homes in Queensbury Sunday mor ning. Kevin Robinson, 5, of 11 Greywood Circle suffered facial abrasions. Bernadette Ball, 13, of 81 Greywood Circle suffered, back, head and leg injuries. Both were released after treatment at Glens Falls Hospital. Town Police responded