(ANSA) - BELGRADE, MAY 29 - EU Enlargement Commissioner Marta Kos met with Hungarian Foreign Minister Anita Orban in Brussels. "Hungary is a key partner for a merit-based EU enlargement policy," Kos wrote on X. "We agreed to collaborate closely to advance the candidate countries on this basis." "Ahead of next week's Western Balkans Summit," she said, "we reaffirmed our commitment to assisting all Western Balkan countries on their path to EU membership." (ANSA).