An officer was shot while serving an arrest warrant at a hotel in Rockford in the northern part of the US state of Illinois Thursday morning, Trend reports citing Xinhua.
The shooting happened around 9 am, and the condition of the officer is unknown, local media reported.
The suspect fled the hotel after shooting and is still at large.
Rockford Police identified the suspect as 45-year-old Floyd E. Brown, saying he is possibly armed and in a light blue or silver Mercury Grand Marquee.
Rockford police Lt. Andre Brass said the suspect was wanted on several warrants.
"We just want to end this situation peacefully with his surrender," Brass said.
Rockford is about 130 kilometers northwest of downtown Chicago.