A cardiologist, who was sacked after becoming a whistleblower, has been cleared of any wrongdoing.
Dr Raj Mattu spoke out about two patients dying in overcrowded bays at Walsgrave Hospital in Coventry in 2001.
The NHS Trust which runs the hospital says it is considering appealing the tribunal's decision.
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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.