announced the national threat level had risen from 'substantial' to 'severe', which means a terror attack is considered 'highly likely'.
The move follows Monday night's shooting in Vienna, Austria, in which four people died.Last week, three others died in a knife attack in Nice, France, and a teacher was murdered in Paris last month.Manchester has suffered at the hands of terrorism before, most recently in 2017 when Salman Abedi murdered 22 people when he detonated a suicide bomb in his backpack as people were leaving an Ariana Grande concert.
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