At least one dead following shooting at US clinic

One person is dead and another four injures have been injured after a 67-year-old man unhappy with the health care he had received opened fire at a medical clinic in the US (David Joles/Star Tribune/AP)

One person is dead and another four injures have been injured after a 67-year-old man unhappy with the health care he had received opened fire at a medical clinic in the US.

Bomb technicians were investigating a suspicious device left at the scene in Buffalo, Minnesota, as well as others at a motel where alleged shooter Gregory Paul Ulrich was staying, authorities said.