The man suspected of killing four people at a Nashville restaurant allegedly used an AR-15 rifle that had previously been seized amid mental health concerns.

A former serviceman who was injured in an explosion in Afghanistan says he is recovering well after a highly experimental transplant last month that involved a 14-hour operation by Johns Hopkins University doctors.

Ray Martin goes inside a refugee camp in Bangladesh where an estimated 50,000 people are blind. Australia's Fred Hollows Foundation is trying to change that.

A veterinarian is accused of turning puppies into drug mules for a Colombian trafficking ring by cutting their stomachs open and stitching packets of liquid heroin into their bellies.

Sixty-four passengers had to wait up to two hours before being brought down after a roller coaster at Universal Studios in Japan stalls.