(Reuters) Rumors that a black teenager killed by St. Louis police was only 13 years old helped stoke angry clashes between police and protesters, a city alderman said on Thursday, and police said they were ready should protests flare anew.City streets were largely calm a day after Wednesday's fatal shooting during a house search triggered the protests, but St. Louis Alderman Antonio French said it was hard to say if protesters would take to the streets again Thursday night.
Police said additional resources would be deployed if necessary but gave no details.
French said the protests had been driven partly by talk that the teen killed was only 13. Small groups typically stage peaceful demonstrations nightly in Ferguson but others, not part of organised groups, can be unpredictable, he said, adding:
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