, April 21 -- Democrats in the US Senate are set to force a fifth vote on a war powers resolution aimed at limiting President Donald Trump's authority to continue military operations against Iran.

Senate Minority Leader Chuck Schumer said Democrats will continue pressing the issue, urging Republicans to take a clear stance, reports Al Jazeera.

"Senate Republicans cannot sit on the sidelines while our service members are risking their lives on the frontlines," Schumer said.

"We will continue putting them on the record until the war ends or until enough of them find the courage to vote with us to end this war," he added.

Under the United States Constitution, Congress holds the authority to declare war, not the president.

Democrats in b...