Kenyan police say they have arrested a 'psychopathic serial killer'

Police in Kenya suspect he is behind the gruesome murders of at least nine women. Their bodies were found in a former quarry used as a rubbish dump near Nairobi. Under interrogation the suspect has admitted killing 42 women. Also: Republicans arrive for their national convention in Milwaukee where Donald Trump will be confirmed as the Republican presidential candidate after the assassination attempt on him. We also hear from a photographer who captured the image of the bullet that hit Mr Trump's ear at the rally in Pennsylvania. And, chaos and violence at the Copa America final in Miami, and a new cheaper malaria vaccine is rolled out in Africa