Tens of thousands rallied in Budapest against Prime Minister Viktor Orban on Saturday, waving the national flag as the leader of the surging opposition Tisza party pledged to make Hungary part of a strong Europe and end Orban's 15-year rule.

Hungary’s Prime Minister Viktor Orbán is vowing to rid his country of foreign-funded groups, calling them a “shadow army” serving the European Union and a “liberal American empire.”

Thousands of Hungarians rallied in Budapest to protest Prime Minister Viktor Orban as the leader of the surging opposition Tisza party vowed to end Orban's 15-year rule. Orban, meanwhile, stepped up his campaign rhetoric in a separate speech on March 15,

Hungary's Prime Minister Viktor Orban pledged on Saturday to crack down on politicians and journalists who receive foreign funding and again ruled out EU membership for Ukraine, stepping up his campaign for elections due in a year.

"There is always an empire that is trying to take away the freedom of the Hungarians, and right now it is the one in Brussels," Viktor Orban said in a speech on Saturday. View on euronews

The right-wing populist prime minister has stepped up his attacks on critics, largely journalists and civil society organizations, since US President Donald Trump entered office.

Orbán, in power since 2010, has used the March 15 celebration in recent years as a podium from which to launch increasingly hostile harangues against the EU, to which Hungary has