(Portland, OR) -- Police continue to investigate a multi-car crash that sent nine people to hospitals. Seven-year-old Arianna Lundin of Cathlamet, Washington, is still listed in critical condition, while the other eight are being treated for non-life-threatening injuries. The five-vehicle crash on northbound I-5 in Portland happened around 3:30 Saturday afternoon. Northbound lanes were closed for several hours and one southbound lane was briefly shut down as the on-scene investigation took place.