The Czech news agency CTK said Jan Tamas, an activist of the Czech civic group No to Bases, would remain on hunger strike indefinitely at a publicly accessible place in Belehradska street in Prague, along with another opponent of the radar.
"We want a real discussion to be led about the radar," Tamas said.
He added that the aim of his hunger strike is to force the government to cease the talks with the United States about the possible stationing of a radar base in the Czech Republic.
According to CTK, his protest will be documented on the websitewww.nenasili.cz.