Several thousand people rallied outside Bulgaria's central bank and the European Commission building in Sofia to protest government plans to introduce the euro as official currency.

Our EU office has been vandalized,” said European Commission President Ursula von der Leyen, calling the attack “outrageous.” ...

Bulgarian government condemned the attack on the EU buildings, saying that such attacks "are unacceptable and contradict the principles of the rule of law".

Several thousand supporters of Bulgaria's ultra-nationalist Revival party scuffled with police on Saturday while trying to ...