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A Home Office quarterly report on the policing of terrorism in the UK, published this month, said 46 of them (64 per cent) were released after serving their sentences, but would be subject to strict licence conditions, in a bid to prevent reoffending. The other 26 released had been held on remand prior to a charge or conviction. The report said: "A total of 72 prisoners held for terror-related and domestic extremism/separatism offences were released from custody in Great Britain in the year ending September 30 2016. "Of these, 46 (64 per cent) were persons discharged from custody after serving their sentences, many of whom will have been released subject to meeting certain licence conditions. "Of those released from custody, 28 of the 72 had sentence lengths of less than 4 years. "A further 26 were not sentenced, which includes a number of persons held on remand prior to a charge or conviction."

METPOLICE Still inside: Yousaf Bashir, Rajib Khan and Mohammed Alamgir were jailed last month.

Offenders given sentences of around four years will have been found guilty of offences like hate preaching and inciting people to support brutal regimes such as ISIS and Al-Qaeda. But, the report said, despite the releases, that, overall that the amount of people in prison for terror-related offences is rising. At the end of 2016, there were 183 people in custody in Great Britain in connection with terror offences - up 40 on 2015. The report said: "Of those in custody, the majority (78 per cent) had been convicted. "The remaining 22 per cent were being held on remand, in custody until a later date when a trial or sentencing hearing will take place." There have been a number of other people jailed for terror-related offences already this year. These include five men convicted of organising and delivering terrorist speeches in Luton, Bedfordshire, in 2015.

Westminster terror attack in pictures Thu, March 22, 2018 These devastating photographs capture the carnage and terror in the Westminster terror attack in London one year ago today. Play slideshow PA 1 of 43 Conservative MP Tobias Ellwood (centre) helps emergency services attend to a police officer outside the Palace of Westminster, London

Of these, 46 were persons discharged from custody after serving their sentences, many of whom will have been released subject to meeting certain licence conditions. Home Office report

They were jailed for a combined total of more than 20 years last month at the Old Bailey. Yousaf Bashir, 36, from Luton was sentenced to four and a half years imprisonment for one count of addressing a meeting to encourage support for ISIS. Rajib Khan, 38, from Luton was sentenced to a total of six years and six months for one count of arranging, managing or assisting in arranging or managing a meeting to support ISIS, and five years for one count of addressing a meeting to encourage support for the terror group. Mohammed Istiak Alamgir, 37, from Luton, was sentenced to six years imprisonment for three counts of addressing a meeting to encourage support ISIS. Mohammed Sufiyan Choudry, 23, from Maidenhead, Berkshire, was sentenced to four years imprisonment for one count of encouraging support for Islamic State.

GETTY Four people including a policeman dies in today's terror strikes in London.