New Delhi, Jan. 28 -- Truck drivers from Balkan countries outside the European Union blocked cargo border crossings in the region Monday to protest the recent enforcement of EU entry regulations that they say seriously undermine their work.

Long columns of trucks formed at freight border crossings in Bosnia, Serbia, North Macedonia and Montenegro in a coordinated action in the four countries. The blockade also included the Adriatic Sea port of Bar in southern Montenegro.

A new, electronic entry and exit check system, or EES, was launched in October to modernize the management of EU's external borders. Full implementation is expected by April to help prevent illegal migration and monitor permitted stays in the EU countries.

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