Those arrested - whose ages range from 18 to 24-years-old - remain in police custody and will be questioned today.
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Thousands of people are expected to line the streets of Birmingham this weekend as Pride celebrates its 21st birthday.
Up to 90,000 Aston Villa, Shrewsbury Town and Coventry City fans are expected to descend on the capital over the bank holiday weekend.
Peterborough United have continued their busy start to the summer with the signing of Dundee midfielder Mark O'Hara.