Poll: Should tours of Parliament be stopped while the UK is at risk of Islamic State attacks?
An MP has warned that tours of Parliament represent a "big risk" amid reports that Islamic extremists have used them to "scope out" the building.
Intelligence sources told the Mail on Sunday that individuals linked to terror groups had participated in "history tours" around the Palace.
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Although visitors are banned from taking photographs inside, there are fears they could study the layout and identify weaknesses in security.
The concerns have been raised in the wake of the gun attack on the Canadian Parliament, which saw a soldier killed at the National War Memorial before the assailant was shot dead.
More than a million members of the public enter the Westminster estate every year, with numbers expected to rise as the House authorities seek to raise more money from tourism.
Labour MP Barry Sheerman said: "What has happened in Canada is a wake-up call to us all. Opening up Parliament to tours is fine in principle, but it does carry big risks."
What do you think? Should tours of Parliament be stopped while the UK is at risk of Islamic State attacks? Vote now in our poll and leave your thoughts in the comments section below.
