Medical response reported at Cactus Road and Interstate 17 in Phoenix, Arizona.
Units responding include: E30, E33, E42, E930, R30, R35, R36, R42, R60, PI3, LT33, BC4, NDC, DPS000 and PHXP00.
[Update: 6:00 PM] Arizona Department of Transportation (ADOT) is reporting that the crash is on Interstate 17, North-bound from mile post 210.0, 0.10 miles north of Cactus Road.