- 23 updates
A family from Oxfordshire are campaigning for his release after he was detained in Moscow on piracy charges.
Phill Ball from Chipping Norton was one of six people arrested after the group tried to board a Russian oil platform to protest at plans to develop off-shore oil fields in the Arctic.
His brother, Steve Ball, talks about what he mis hoping will happen.
Greenpeace says it has "strict policies against recreational drugs" on its ships, and that any suggestion that narcotics were found on board the vessel is a "fabrication".
Russian investigators said several of the 30 Greenpeace activists already charged with piracy over their Arctic oil drilling protest were set to face additional charges for "other grave crimes".
The Moscow based Investigative Committee said the authorities had found "narcotic substances" on the Dutch-flagged Arctic Sunrise ship detained by Russia.
In his first UK interview, lawyer Sergei Golubok, who represents British detainee Anthony Perrett, says the detainees are struggling with basic needs, such as food and water, while being held in pre-trial detention centres in Russia.
He adds that some detainees have complained to him about surveillance in the centres, which includes the toilets used by those being held.
Greenpeace activists charged with piracy in Russia over a protest against Arctic oil drilling are undergoing ''inhuman treatment", a lawyer has said.
In his first UK interview, lawyer Sergei Golubok, who represents British detainee Anthony Perrett, said the activists were being kept in terrible conditions at pre-trial detention centres.
A Welsh Greenpeace activist charged with piracy in Russia is "in very good spirits" despite poor conditions at the pre-trial detention centre where he is being held, his lawyer told ITV News.
In his first UK interview, Sergei Golubok said he met Anthony Perrett last week and said he was "very understanding of what is going on".
The Regional Court of Murmansk, Russia has rejected an application made by lawyers for two Greenpeace International activists and a freelance photographer to be released on bail.
A further 27 cases requesting bail will be heard later this week.
Some 28 Greenpeace International activists, a freelance photographer and a freelance videographer were seized by Russian special forces on the ship Arctic Sunrise in international waters 19 days ago.
Their arrests followed a protest at the Gazprom Arctic oil platform Prirazlomnaya.
Musician Damon Albarn has said charges of piracy made against 30 Greenpeace activists in Russia is "ridiculous", as he joined hundreds at a central London vigil outside the embassy.
"It does seem to be a slightly different idea in Russia's collective head about what activism actually represents", Albarn said.
"They need to understand that these people are not a threat. This is something that is very human. It is not a political issue."
Actor Jude Law has said he is "exercising" his right to "peacefully protest" as he joined 800 people at a vigil condemning charges of piracy against 30 Greenpeace activists in Russia.
Law, whose children went to school with detainee Frank Hewetson, said: