In an exclusive investigation, BETHANY RIELLY looks at how the state targeted leading politicians and campaigning groups — labelling many well-known figures 'extremists' and 'subversives' for attempting to hold the police to account

On September 4, 16 Eritrean asylum-seekers were arrested at a protest against their country’s dictatorship and its supporters here. Since then, questions have been raised about whether the British authorities are doing enough to protect activists and asylum-seekers from the ‘long arm’ of the regime in Asmara