Four men have been sentenced to between five and 16 years in prison after they admitted terror charges.
Zahid Iqbal, 31, and Mohammed Sharfaraz Ahmed, 25, were each given sentences of 16 years and three months at Woolwich Crown Court for plotting an al Qaida-inspired terror attack on a Territorial Army centre in Luton.
Umar Arshad, 24, was jailed for six years and nine months and Syed Farhan Hussain, 22,for five years and three months for their roles in preparing for the attack.
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In a wide-ranging Peston on Sunday interview, he said Parliament security needs reviewing and the PM's counter-terror strategy is flawed.
The star celebrated his 70th birthday with his family before attending a celebrity-filled bash held in his honour.
Douglas Carswell told ITV's Peston On Sunday he wanted to "support" the government as a "critical friend" but refused to rule out a return.