School shooting in Austrian city of Graz

Nine people have been killed and many injured in a school shooting in the southern Austrian city of Graz. The shooter also killed himself, and has been identified as a former pupil.Also, Donald Trump sends in the Marines as the president's crackdown on undocumented migrants clashes with California's policy as a Sanctuary State, Syria's jailers under President Assad speak to the BBC anonymously about what they did and those who suffered, plus good news for biodiversity and precious coral reefs in the Zanzibar archipelago, as two new Marine Protected Areas are announced.