PLEASANT PRAIRIE — A Waukegan man is behind bars in Kenosha after leading authorities on a brief high-speed chase Sunday morning. 22-year-old William Keys was stopped around 9:30 after making an illegal turn on Corporate Drive in Pleasant Prairie. According to Sgt. Aaron Schaffer of the Pleasant Prairie Police Department, the officer was approaching Keys’ car when he sped off, heading east on Highway 165. Officers gave pursuit, with speeds reaching 100 mph. The chase was called off as Keys headed south onto Green Bay Road into Lake County. Schaffer said Zion police caught Keys and took him into custody. He was being held on previous warrants in Illinois, he said, prior to being turned over for charges in Kenosha County.