1 Alarm Medical response reported at North Scottsdale Rd & Mescal Street in Scottsdale, AZ.
Units responding include: E31, E603, E604, E605, P-605, P-607, P-610, AHQ, C601, L37, LT606, BC601, BC602, NDC, CRV, SCTP01 and U29.
[Update] Serious traffic collision. Southbound Scottsdale Rd. closed at Cholla. Use alternate route. Three ambulances on scene.
