US whistleblower Edward Snowden has warned the arrest of Julian Assange is a 'dark moment for press freedom'.
WikiLeaks founder Assange was arrested by police in London on Thursday after Ecuador dramatically withdrew his political asylum seven years after he first entered the embassy.
Soon after his arrest, Snowden tweeted: 'Images of Ecuador's ambassador inviting the UK's secret police into the embassy to drag a publisher of-like it or not-award-winning journalism out of the building are going to end up in the history books.
'Assange's critics may cheer, but this is a dark moment for press freedom.'
Snowden is currently living in exile Russia having fled the US after leaking a huge cache of declassified documents back in 2013.
Former CIA agent Snowden has been a longstanding supporter of Assange's cause having allegedly been helped by the WikiLeaks founder in handing over the secret documents to journalists.