It is uncertain whether this includes the Islamist suicide plot to assassinate Prime Minister Theresa May revealed Wednesday.
The Government has revealed nine terror plots against the UK have been foiled since the Westminster attack in March 2017.
Home Secretary Amber Rudd said these were part of 22 thwarted plots since the murder of Lee Rigby on May 2013.
It came after Andrew Parker, the head of MI5, revealed the figure during a presentation to Theresa May and the Cabinet.
From CIW NEWS Contributor
United Kingdom immigration war
London, United Kingdom
United Kingdom (GB) is estimated to have a population of 65.1 million with a growth rate during 2010-2015 of 0.6% pa.
At the same rate of change, in five years' time its population will increase by 2 million.