"Today, the Ministry of Finance took measures against PDVSA, the Venezuelan state oil company, to help prevent the former use of Venezuelan assets by the former President Maduro," Mnucin said.

NEW: Treasury Sec. Steve Mnuchin announces sanctions against Venezuela's state-owned oil company.

"The United States is holding accountable those responsible for Venezuela's tragic decline." https://t.co/bvQ6uj2TkYpic.twitter.com/Aszm31VC9P

- ABC News (@ABC) January 28, 2019

Earlier, Axios reported that "according to two sources familiar with planning, the Ministry of Finance plans to announce today in the second half for significant new actions to arrest the assets of Venezuelan President Nicolas Maduro, in order to eventually redirect their opposition."

On January 23, the head of the National Assembly of Venezuela, Juan Guaido, declared himself the interim head of state. Washington therefore called on Maduro to hand over power to him.