Russia denies piracy charges , adds new charge of hooliganism . Russia says ' still ` ` wildly disproportionate '' 28 activists , including freelance journalists arrested in Black Sea in September . Arrested after two activists attempted to scale a Gazprom oil rig .
Russia drops piracy charge , adds new charge of hooliganism . Greenpeace says charge still `` wildly disproportionate '' 28 activists , two freelance journalists arrested in Barents Sea in September . Arrested after two activists tried to scale a Gazprom oil rig .