The family members of 75 year old Mohammed Saleem are speaking at a press conference about his murder.
The father and grandfather was stabbed in the back as he walked home in Small Heath on Monday night.
He as an elderly respected member of the Small Heath Community. We are doing all we can to bring his killer to justice."
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A large tent has been put up around the area while investigations continue.
The kind gesture touched the hearts of many who shared and retweeted words of support for the officer on Twitter.
Two workers were forced into a back office as the robbers tried to force their way into a safe, police say.