"Let’s be clear: Republicans pulled this vote because they knew they were going to lose it," argued one Democrat lawmaker.

The House is expected to vote on legislation to compel President Donald Trump to withdraw from the war with Iran.

The vote is the latest effort by Democrats to rein in Trump's military campaigns by using the War Powers Resolution of 1973.

House Republicans pulled a vote, through a procedural loophole, that could have reined in President Donald Trump's war powers in Iran.