Bulgaria has closed its embassy in Tehran and evacuated diplomatic staff and their families to neighbouring Azerbaijan as the conflict between Iran and Israel intensifies.
Romania and Bulgaria scrapped land border controls to become full members of the European Union's Schengen free-travel area whose residents can travel without passport checks.
Hungary says Romania and Bulgaria may become full members of Europe's borderless Schengen travel zone in January 2025, final decision to be made in EU interior minister's next month's meeting.
Bulgarians head to the polls in their seventh snap election in four years this Sunday, as fractured political parties left the country struggling to form a stable government.
Bulgarian police on Thursday scuffled with supporters of the ultra-nationalist Vazrazhdane (Revival) party protesting against the policies of the pro-Western government.