9:30 AM ... Elk Grove Village firefighters and paramedics working at the scene of a crash with injuries at Chelmsford Ln and Stonehaven Ave Elk Grove Village. Report of a single-vehicle crash on Stonehaven Ave north of Chelmsford Ln. One patient with life-threatening injuries on the ground treated with Advanced Life Support (ALS) and transported to Level 1 Trauma Center Advocate Lutheran General Hospital.