Three dead in US shooting

Three people have been killed and four wounded in a shooting at a spa outside of Milwaukee in the United States according to police.

Brookfield Police Chief Dan Tushaus said the shooting happened about 11am at the Azana Day Spa.

He said an improvised explosive device has been found at the spa and a bomb squad is investigating.

A spokeswoman for a local hospital has said four people were being treated there, none in critical condition.

Police have identified the suspect in the shooting as 45-year-old Radcliffe Franklin Haughton, of Brown Deer.

Mr Tushaus said officers have found Haughton’s vehicle, but not him.