US President Donald Trump criticized the US Senate in a Truth Social post on Tuesday night, saying that the newly passed war powers resolution was "meaningless" and "poorly timed."
The Senate backed legislation on Tuesday directing Trump to halt US military action against Iran, the latest rebuke of the Republican president from an increasingly restive Congress.
The Senate voted 50-48 in favor of the war powers resolution, which passed the House of Representatives earlier this month, reflecting growing concern even among some of Trump's Republicans about the unpopular conflict that began on February 28 when the US and Israel launched an attack on Iran.
"Four Republican Losers voted with the Dumocrats," Trump wrote on Wednesday. "These Senators have just made my job more difficult, but I will get it done, one way or another."
US planes can 'fly over Tehran' safely, Trump says
Trump also addressed the deal with Iran during a speech given ahead of the midterm elections in Macungie, Pennsylvania, on Monday.
American planes can "fly over Tehran," Trump said. "Nothing will happen."
"We're doing great," the US president added. "Nineteen million barrels of oil passed through the Strait of Hormuz yesterday. That's the largest amount of oil that's passed through the Strait in its history."
Reuters and Idan Kweller contributed to this report.