Freed Greenpeace activist Alexandra Harris said her time in Russian prison "was torture", but that she and others jailed after Arctic protests were "treated better than the Russian prisoners, because the world's watching us".
"We spent two months inside a Russian jail cell and a hundred days detained for a crime we didn't commit," Harris said. "It was obscene, a complete overreaction on behalf of Russia and we should never have been there."
Freelance journalist and film maker Kieron Bryan received hugs from his brother and loved ones as he arrived in London after spending four months in Russian jail.
Freelance journalist and film maker Kieron Bryan received a welcome home hug from his brother, Russell Bryan, as he arrived in London after spending four months in Russian jail.
Bryan travelled back to Britain with four Greenpeace activists who were also freed after being arrested by Russia during an Arctic protest.
Freed Greenpeace activist Alexandra Harris told ITV News' Libby Wiener that freeing protesters and journalists arrested during Arctic protests was "the easy way out for Russia" before the winter Olympics kick off.
Harris described the prison she was held in as "disgusting", adding: "I can't believe people spend years there before going for trial. As human beings we don't deserve that."
Alex, Iain, Anthony, Phil & Kieron, safely back in the UK http://t.co/7dC26KFbY3
Five of the six British people detained over a Greenpeace protest against oil drilling in the Arctic have arrived back in London.
Alex Harris, Anthony Perrett, Phil Ball, Kieron Bryan and Iain Rogers arrived back at St Pancras train station from Paris.
Five of the six British people arrested over a Greenpeace protest against oil drilling in the Arctic have arrived at London's St Pancras Station, after spending nearly four months in Russian jail.
A sixth Briton, activist Frank Hewetson, has also been released and is travelling to another country.
Alexandra Harris, Anthony Perrett, Phil Ball, Kieron Bryan and Iain Rogers left St Petersburg today travelled from Paris by Eurostar this afternoon to meet their families in London.
One of the five Britons due back in the UK today after being detained in Russia for nearly four months says she is experiencing mixed emotions after her release.
Alexandra Harris, Anthony Perrett, Phil Ball, Kieron Bryan and Iain Rogers left St Petersburg today after being held in Russia over a Greenpeace protest against oil drilling in the Arctic in September.
Harris, 27, said while she was very relieved to be going home, she would miss other members of the Arctic 30 as they have become an "extended family".
Greenpeace have told Political Correspondent Libby Wiener that the four British activists and one UK journalist allowed to leave Russia after being held over the protest in the Arctic have arrived in Paris.
Sue Turner, mother of freed Greenpeace activist Iain Rogers, says "delighted" he's back in the west