Letitia Shakespeare and Charlene Ellis were shot dead outside a hair salon in Aston in Birmingham, 10 years ago today.
They were caught up in a revenge attack between gangs.
Marcia Shakespeare, Letitia's mother.
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The MP for Broxtowe has sent this letter to the Prime Minister.
A petition calling on the City Council to protect the allotments from any Commonwealth Games developments has nearly 7000 signatures.
Mark and Charlotte Brindley lost their son, James, in June 2017. He was stabbed through the heart in an unprovoked attack.