Roses were laid and balloons released at todays memorial stone unveiling, to remember Christina Edkins.
Around one hundred people attended the ceremony, to remember the 16-year-old who was stabbed to death on a bus. The stone was revealed close to where she was killed on the Hagley Road.
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Janet Ajao said in a statement: "I do not condone his actions nor support the beliefs he held that led to him committing this atrocity."
Sonia Bryce played 'Shape of You' at top volume and cause a "wholly unacceptable level of disturbance" according to a judge.
They will be joined by Duke Dumont and Disciples at this year's festival in Staffordshire.