The FBI is to be drafted in to investigate the fatal shooting of Missouri teenager Michael Brown, US President Barack Obama has said.
In a speech at the White House, he said people had been "greatly disturbed" by the images seen in Ferguson, and said the FBI would be investigating conflicting reports of what happened in the moments leading up to Michael's death.
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Cooler and fresher across the UK over the next few days.
The prime minister was shouted at as she left the scene of the tragedy in which at least 79 people died.
Father-of-six Makram Ali, 51, was already receiving medical treatment as the attack unfolded. He died from multiple injuries, police say.