Survivors of Sweden's worst mass shooting on Wednesday recalled trying to save the lives of their comrades at a school for adults in Orebro, a day after a gunman killed 11 people on what the prime minister called a "dark day" in the country's history.

Police said at least 10 people were killed at a school on Tuesday, in what has been described as the worst mass shooting in Sweden’s history. The suspected perpetrator also died. The Robertson County Sheriff’s Office is searching for a suspect after police found a body while responding to a welfare check in Greenbrier Tuesday.