The United States imposed sanctions on a senior member of the Hungarian government for alleged corruption, the U.S. Treasury said on Tuesday, a move Budapest said it would challenge when President-elect Donald Trump takes power.

The United States announced sanctions against the head of Hungarian Prime Minister Viktor Orban's cabinet on Tuesday for his alleged involvement in corruption."This systemic corruption Antal Rogan represents is affecting Hungary's decision-making on issues that impact the security of the United States of America and our allies,

Antal Rogan is the first high-ranking Hungarian official sanctioned by the U.S. under the Magnitsky Act, which targets individuals involved in serious human rights abuses and corruption.

The U.S. administration announced on Tuesday that it would sanction Antal Rogan, the head of Hungarian Prime Minister Viktor Orban's cabinet, for corruption. According to the State Department, the case of the prime minister's close associate is an example of state capture by oligarchs and undemocratic actors.