A teenager suffered a gunshot wound to his foot during a tribute to Keon Lincoln on the first anniversary of his murder at Handsworth Cemetery.
West Midlands Police were called to the scene just after 3pm on Saturday (January 22) and the 17 year-old was taken to hospital.
Officers are appealing for witnesses.
The teenager was shot as crowds gathered in memory of 15 year-old Keon who was shot and stabbed yards from his home in Handsworth.
Detective Sergeant McCullogh, from our force CID, said: “This is a shocking thing to happen in broad daylight and while people were paying their respects after the tragic loss of Keon last year.
“There remains so much sadness following his death. Guns have no place on our streets, they cause misery and harm and we do not want to see more people injured or killed because of them.
“I’d encourage anyone who has any information to contact us – anonymously if you prefer – because as we’ve seen here, and when Keon was murdered, carrying weapons is dangerous and causes heartbreak.”
Five teenagers were jailed for Keon’s murder in November, including a 14 year-old gunman.
Detectives have said it was not clear whether Keon had been specifically targeted or attacked "by chance".
Following the sentencing West Midlands Police said they were continuing to investigate the case and were supporting the family.
Can you help the police find the Handsworth Cemetery gunman?
If you have information you can contact West Midlands Police via Live Chat on the website. Click on: West Midlands Police. Or call 101.
If you want to remain anonymous call Crimestoppers on 0800 555 111 quoting log 2616 of 21 January.
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