Mandy Luckman, the representative for the mother whose baby son's organs were kept in a Birmingham mortuary for 15 years, has described the situation as "absolutely appalling":
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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.