At least four people have been killed after a shooting on a hospital campus in Tulsa, Oklahoma, on Wednesday.
In a new conference, police said the gunman is also dead and is believed to have died from a self-inflicted wound.
Dispatchers received a call about an active shooting at the Natalie Medical Building, a physicians' office building on the St. Francis Hospital campus, shortly after 4:50 p.m. local time, according to Tulsa Police Department Deputy Chief Eric Dalgleish.
