Nine people were arrested this morning as part of a police operation in Birmingham.
Police said they particularly focused on the Birmingham North area and this allowed them to pinpoint specific targets.
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"We are bereft. Our darling Tom has left us and the world is a poorer place."
Thomas Jackson, 30, died seven days after being stabbed as he tried to save fellow Brit Mia Ayliffe-Chung's life.
With rising costs of football pitch fees, many coaches of junior clubs across the Midlands claim they are now struggling to get by.