Two teaching unions will be staging a demonstration in Birmingham today in protest against the Government's education reforms.
The NASUWT and NUT unions are opposed to the Government's changes to teachers' pensions and pay.
They believe the changes will damage the teaching profession and will undermine the country's education system for years to come.
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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.