1.0 video 1 gunman opened fire at a Shia mosque in Saihat, Saudi Arabia 960 540 iPlayerHD https://iplayerhd.com <iframe src="//iplayerhd.com/player/video/a8e9e78d-1718-49b1-898d-898848762496?cbartype=over" allowtransparency="true" frameborder="0" scrolling="no" allowfullscreen mozallowfullscreen webkitallowfullscreen oallowfullscreen msallowfullscreen width="960" height="540"></iframe>