Oil prices are falling on Monday after President Donald Trump threatened to knock out Iran’s power plants if it doesn’t reopen the Strait of Hormuz by Tuesday.

Oil prices pushed higher Sunday after President Donald Trump threatened to strike Iranian energy facilities if the Strait of Hormuz is not reopened Monday.

Trading on Wall Street was subdued and oil prices retreated modestly as Israel and the United States carried out a wave of attacks that killed 25 people in Iran on Monday ahead of U.S. President Donald Trump’s deadline for Tehran to reopen the Strait of Hormuz.

President Donald Trump ramped up his threats against Iran over the weekend, pledging strikes against key energy infrastructure if Tehran doesn’t reopen the Strait of Hormuz.

President Donald Trump warned Sunday in an expletive-filled social media post that Iran would be "living in Hell" if they do not open the Strait by Tuesday.

Oil futures were little changed with the market looking to President Trump’s planned 1 p.m. ET press conference on Iran with one day left to the deadline he set for Iran to reopen the Strait of Hormuz.

OPEC Plus warns the war could slow recovery of damaged energy infrastructure. Iran warned Monday that it will deliver a “crushing” response if President Donald Trump follows through on threats to hit Iranian power plants,

The president has been back and forth, saying a peace deal was near to raising more threats on Iran, while shifting deadlines.