Hungary has quietly updated its National Card visa program, allowing tens of thousands of Russians and Belarusians to gain residency with minimal security checks—raising serious national security concerns across the EU.

Talks between the presidents of Ukraine and Russia, preparations for which were announced by the White House, could be held in Hungary, a senior U.S. administration official told Reuters.

Hungary’s opposition leader Peter Magyar accused Russia of deploying its intelligence services to undermine his campaign against Prime Minister Viktor Orban, the Kremlin’s closest ally in the European Union.

Russian drones attacked an oil depot near the Black Sea port of Odessa while Ukrainian strikes have halted Russian oil pipeline supplies to Hungary