(ANSA) - BELGRADE, MAY 22 - The EU High Representative for Foreign Affairs and Security Policy, Kaja Kallas, emphasised the importance of Serbia continuing and accelerating its reform process in order to progress towards European integration. Speaking at a press conference at the end of her visit to Belgrade, Kallas stated that reforms, in addition to being on paper, must have a concrete implementation plan. She emphasised the importance of reforms aimed at ensuring media freedom, electoral law, and combating corruption. (ANSA).