The photographer who took a picture of Wisconsin high school boys giving what appears to be a Nazi salute has said he simply asked the students to wave goodbye to their parents.

Doctors said a Wisconsin man came perilously close to death after accidentally shooting a nail into his heart while working on his house - before driving himself to hospital and walking into the emergency room.

A police officer and three other people were killed when a domestic dispute at a bank escalated into shootings at three locations in Wisconsin.

Donald Trump accused rival Hillary Clinton of being against the police as he condemned the violence that followed a shooting by officers.

A shooting at a high school prom in Wisconsin has left three people injured.

A former police officer suspected in the deaths of two women whose bodies were stuffed into suitcases and discarded on a rural Wisconsin highway met victims online, in one case possibly through a bondage website, according to police.