Protesters have blocked the doors of Bulgaria's parliament amid mass daily rallies against government corruption.
More than 100 politicians, journalists and staff have been
trapped inside the building, local media said. One report said they had
been there for five hours.Demonstrators clashed with riot police in Sofia, the capital, on the 40th day of anti-government rallies.
Earlier the EU's Justice Commissioner said she backed the protesters.
Viviane Reding, who was in the country for a live question and answer session, said on Twitter: "Here in Sofia today, my sympathy is with the Bulgarian citizens who are protesting against corruption."
Turmoil Tensions rose outside the parliament on Tuesday after ministers discussed budgetary changes.
Crowds surrounded the building shouting "Mafia!" and "Resign!" and prevented a heavily guarded bus from leaving with MPs on board, local media said.
Several protesters and at least one police officer have reportedly been injured.