Police have said two FBI agents have been shot in Ferguson, where there has been a
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Both agents suffered non-life threatening gunshot injuries outside a house a few miles from the St Louis suburb of Ferguson. It is not clear whether the attack is connected to the unrest.
The protests follow a decision not to prosecute officer Darren Wilson, who fatally shot Michael Brown.
At least 44 people were arrested as the protests erupted in Ferguson, Missouri, for a second night over the Michael Brown case, police said.