Hungary's prime minister urges his country to prepare for war in case the economic crisis across Europe sparks a conflict in the continent.

At least 10,000 Hungarian students, teachers and parents blocked a Budapest bridge before filling a main square outside parliament on Wednesday in support of teachers fighting for higher wages and teachers sacked for protesting.

Hungarian Prime Minister Viktor Orban has blasted the European Union for imposing ill-considered sanctions on Russia, saying the bloc "shot itself in the lungs" by doing so.

Hungarian Prime Minister Viktor Orban says the EU's proposed Russian oil ban should not be discussed at next week’s summit of the bloc’s leaders.

The US is set to ramp up weapons delivery to Ukraine, deepening its involvement in the simmering war in defiance of repeated warnings by arch-foe Russia.

The Russian president says Ukrainian authorities are behind “crude and cynical provocations” in Bucha.

Nationalist Hungarian Prime Minister Viktor Orban has faced a tough challenge with a united opposition in an unpredictable general election.