The man in charge of overseeing security in Ferguson, Missouri said that he would not allow "criminal elements" to impact the safety and security of the community, after nights of unrest over the shooting of an unarmed teenager by a police officer.
"We will not allow those elements to disrupt or impact the soul of this community," Missouri State Highway Patrol Captain Ron Johnson told a conference.
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More than 70 firefighters were called to the blaze in the early hours of Friday morning.
It looks like another very warm day, with a maximum temperature close to 27 Celsius (81F).