Wikileaks founder Julian Assange will fight attempts to take him to Sweden to face rape allegations, his lawyer said.
Mark Stephens told the BBC that legal moves against his client seem(ed) to be a "political stunt" by a state that allowed US rendition flights.
He warned Wikileaks could release more secrets in a bid to protect itself.
A Swedish arrest warrant for Mr Assange was issued on Thursday. It comes amid the phased Wikileaks release of some 250,000 US diplomatic secret messages.
The warrant to interview the journalist - thought currently to be in the UK - concerns alleged sexual crimes during a visit to Sweden in August.
But Mr Stephens told the BBC's Andrew Marr that the entire case against Mr Assange had been dropped by Sweden's chief prosecutor in September.
He said it was only "after the intervention of a Swedish politician" that a new prosecutor in Gothenburg - not Stockholm, where his client and two women had been - began a new case.
It resulted in the current warrants, and an Interpol notice being issued. His client denies the allegations. BBC News