(ANSA) - BELGRADE, JAN 30 - "We are aware of the concerns raised by Western Balkan transport operators. We are closely monitoring the situation and communicating with our partners in the region. A meeting between the Commission and the ambassadors of the six Western Balkan countries to the EU was held on Wednesday, and a follow-up meeting with the ministers of these affected countries is scheduled for next week," European Commission spokesperson Markus Lammert said during the press briefing. (ANSA).