9K views · 57 reactions | Dubbed 'Alcatraz on the Thames,' HMP Belmarsh is the UK's toughest prison, notorious for its harsh conditions and infamous inmates like Jonathon Aitken, Ian Huntley, and Julian Assange  HMP Belmarsh. Stream now on My5 | Channel 5 | Facebook

Ever wondered what it takes to become a prison officer at one of the UK's toughest high-security prisons? Follow a diverse group of recruits as they face gruelling training, harsh realities, and unexpected challenges while preparing to guard some of the country's most dangerous inmates. From: Screws: Inside Belmarsh | Prison Stories