Washington, March 23 (IANS) Three civilians and a police officer were killed in a "shooting incident" in northern Wisconsin, US, police said.
The shootings occurred on Wednesday at three locations in the Wausau area, said Everest Metropolitan Police Chief Wally Sparks.
An officer from the Everest Metropolitan Police Department in Schofield was also killed in the line of duty, Sparks added. The name of the officer was not released, CNN reported.
"There is one suspect, at this point in time. He has been taken into custody," Sparks told the media.
The Police Chief did not provide a possible motive for the shooting, and said the Wisconsin Department of Justice's Division of Criminal Investigations (DCI) was handling the investigation.
It is not clear precisely where the four fatalities occurred. CNN affiliates reported the shootings took place at a bank in Rothschild, a law office in Schofield and an apartment in Weston.