Poland signed a cooperation treaty with France. Tusk: This is simply a groundbreaking event in our history

French president Emmanuel Macron and Polish Prime Minister Donald Tusk signed the Polish-French Treaty on enhanced cooperation in Nancy on Friday. The records oblige, among others, both countries to assist each other, including military ones, in the event of a threat. "With this treaty we want to consolidate our friendship, economical cooperation and security," said Tusk.