children. >> six of these patients were sent to the operating room last night, and two additional patients are undergoing surgeries today. >> reporter: children's hospital milwaukee confirms it received 18 patients sunday evening, ages 3 to 16, including three sets of siblings. >> injuries range from facial abrasions to broken bones to serious head injuries. >> i could see kids just laying on the street, people putting blankets over them, trying to tend to them, kids screaming on the sidewalks. >> reporter: at least one witness says the driver continued to speed through the street even after hitting several people. >> it hit at least two people right away, rolled over both of them, and then kept going. it didn't stop. >> reporter: and later today, the 39-year-old will appear before a judge for his initial court appearance. the chief of police here in waukesha is recommending