What to do in the event of a terror attack
The British National Counter Terrorism Security Office has released guidance on what do in the event of a terror attack. CNN's Max Foster reports.
01:42 - Source: CNN
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Armed police  operate in Saint-Denis, a northern suburb of Paris, Wednesday, Nov. 18, 2015. Police say two suspects in last week's Paris attacks, a man and a woman, have been killed in a police operation north of the capital. Two police officers have been injured in the standoff. Police have said the operation is targeting the suspected mastermind of last week's attacks, believed to be holed up in an apartment in Saint-Denis with several other heavily armed suspects. (AP Photo/Francois Mori)
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