Kalamazoo (US): A man who "wanted to ambush" police was killed Tuesday inside a plasma donation centre in southwestern Michigan during a shootout that injured an officer, authorities said. A Kalamazoo officer was shot in the torso, but his injury wasn't life-threatening due to a bulletproof vest, said Karianne Thomas, the city's public safety chief.

Another officer fired multiple shots and killed the suspect, Thomas said. The dead man's name wasn't immediately released. Lisa Walterhouse, an employee at the downtown plasma center, says police responded after the man entered the building and fired shots. She said he urged staff to call 911.