Police say four people have been killed in a shooting at a Tulsa medical building on a hospital campus. Tulsa Police Department Deputy Chief Eric Dalgleish also said the shooter was dead, apparently from a self-inflicted gunshot wound. (June 2) Subscribe for more Breaking News: http://smarturl.it/AssociatedPress Website: https://apnews.com Twitter: https://twitter.com/AP Facebook: https://facebook.com/APNews Instagram: https://www.instagram.com/APNews/ ​ You can license this story through AP Archive: http://www.aparchive.com/metadata/youtube/3f0d6156871d4af29b651f0cc7a9b3a2