Two people are due to appear at Leamington Justice Centre today accused of the murder of a woman.
23-year-old Georgiana Stuparu was found dead at a flat in Coventry last Wednesday.
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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.