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France and Germany say Poland must abide by EU rules
By Christian Lowe & Tangi Salaun
Poland stokes fears of leaving EU in 'Polexit'
By Adam Easton
Poland defies EU as court backs government in 'rule of law' battle
By James Shotter & Henry Foy
Polish court rules EU laws incompatible with its constitution
By Jon Henley & Jennifer Rankin
Polish court rules some EU law is unconstitutional, deepening dispute
By Anna Wlodarczak-semczuk