The EU's top diplomat and Poland's prime minister said Wednesday that the bloc must heed US President Donald Trump's demand to spend much more on defence -- faced with the "existential threat" posed by Russia.

Intelligence services, as stated by the EU's chief diplomat Kaja Kallas, warn of a possible Russian attack starting in 2028. "Russia could test EU’s readiness to defend itself in three to five years," said the former Prime Minister of Estonia during an event organised by the European Defence Agency in Brussels.

Intelligence services, as stated by the EU's chief diplomat Kaja Kallas, warn of a possible Russian attack starting in 2028. "Russia could test EU’s readiness to defend itself in three to five years," said the former Prime Minister of Estonia during an event organized by the European Defense Agency in Brussels.

European Union top diplomat Kaja Kallas warned on Wednesday of a possible attack by Russia in the coming years, as she appealed for defence spending to be boosted. "Many of our national intelligence agencies are giving us the information that Russia could test EU's readiness to defend itself in three to five years,

Western intelligence services warn of a potential Russian attack on the European Union after 2028, RP ONLINE reports, citing Kaja Kallas, EU high representative for Foreign Affairs and Security Policy.