Robin Vickers from Digital Life Sciences has told ITV News Central the new smartphone app for patients at Birmingham Children's Hospital is being used for constructive feedback, despite them originally thinking it would be used by patients to complain and moan.
Digital Life Sciences were one of the partners which developed the app.
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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.