Lech Walesa in Gdansk in 1983: the Nobel Peace Prize winner has previously acknowledged signing a commitment to be an informant but has insisted he never acted on it.   Photograph: AFP/Getty Images

Recently seized documents show that Poland’s former president and Solidarity founder Lech Walesa was a paid informant for the communist-era secret sec(...)

Polish prime minister Beata Szydlo (left) and Law and Justice (PiS) party leader Jaroslaw Kaczynski: the sacking of judges has been condemned as illegal by opposition parties. Photograph: Janek Skarzynski/AFP/Getty Images

Poland has been plunged into a constitutional crisis after its new national conservative government fired five judges in the country’s highest court (...)

Ukrainian opposition leader Vitali Klitschko (holding paper) speaks with colleagues  during the extraordinary session of the Ukrainian parliament in Kiev yesterday.  Photograph: Sergey Dolzhenko/EPA

Ukraine’s opposition has forced out the government and is pressing President Viktor Yanukovich to resign, despite warnings from a former head of state(...)

European Union envoy Pat Cox waves to supporters of jailed former Ukrainian prime minister Yulia Tymoshenko outside the hospital where she is held in Kharkiv, after a meeting with her last Friday. Photograph: Dmitry Neymyrok/Reuters

The Irishman at the heart of European Union efforts to seal a historic agreement with Ukraine has described how Kiev’s leaders abruptly rejected the d(...)

Former Ukrainian prime minister Yulia Tymoshenko converses with her lawyer Serhiy Vlasenko. Photograph: Gleb Garanich/Reuters

Jailed former Ukrainian prime minister Yulia Tymoshenko has denounced charges brought against her lawyer, calling them an attempt by president Viktor (...)

Riot police block opposition supporters carrying a flag with the portrait of jailed former prime minister Yulia Tymoshenko from entering the city hall during a rally in Kiev on October 23rd. Photograph: Gleb Garanich/Reuters

The fate of one woman, now confined to a secluded clinic in eastern Ukraine, is set to decide the fate of relations between her country of 46 million (...)

A supporter of jailed Ukrainian ex-prime minister Yulia Tymoshenko feeds a pigeon in a protest tent camp in central Kiev earlier this month.  Photograph: Gleb Garanich/Reuters

Ukraine’s hopes of signing landmark political and trade deals with the European Union hang in the balance amid wrangling over the fate of jailed forme(...)

US ambassador Jeffrey Payette speaks to the media outside the hospital where jailed Ukrainian opposition leader Yulia Tymoshenko is being held, after his meeting with her, in Kharkiv last Wednesday. Photograph: Reuters/Dmitry Neymyrok

Ukraine’s parliament is preparing to debate a new law that would allow jailed former premier Yulia Tymoshenko to receive medical treatment abroad, and(...)

Yulia Tymoshenko photographed in June 2011: the former prime minister said she would accept the offer to “ease the situation ahead of the Eastern Partnership summit, for the sake of a successful Vilnius and a successful Ukraine, for the sake of a historic and crucial agreement with the EU”. Photograph: /Sergei Chuzavkov/AP Photo

European leaders are increasing pressure on Ukraine to release its former prime minister Yulia Tymoshenko from jail, ahead of a major summit at which (...)