Poland's President Andrzej Duda proposed enshrining defence spending of at least 4% of GDP in the constitution on Friday, while the government backed giving military training to all adult males as Warsaw readies itself for threats from Moscow.

Polish President Andrzej Duda said on Friday that he had proposed to parliament amending the constitution to make it mandatory to spend at least 4% of gross

WARSAW - Poland's President Andrzej Duda proposed enshrining defence spending of at least 4% of GDP in the constitution on Friday, while the prime minister said every adult male would receive military training,