Five highly dangerous prisoners who escaped from a Portuguese jail four days ago remained on the run on Wednesday, with police warning they would do anything to stay out of prison. Justice Minister Rita Júdice told state broadcaster RTP that every measure was being taken to find the men and that a European arrest warrant had been issued on Tuesday. No trace has yet been found of the convicts, who escaped in spectacular fashion on Saturday from the Vale do Judeus high-security prison north of Lisbon. The escapees are two Portuguese, one Briton, one Argentine and a Georgian, all aged between 34 …