U.S. President Donald Trump on Wednesday used his veto power to thwart a bill that the Congress had passed to end the United States’ military involvement in the Yemen war.

The Congress fell short of the number of votes needed to overrule Trump's veto.

"This resolution is an unnecessary, dangerous attempt to weaken my constitutional authorities, endangering the lives of American citizens and brave service members, both today and in the future," Trump said in a statement.

The act is “effective green light for the war strategy that has created the world's worst humanitarian crisis to continue,” International Rescue Committee (IRC) president and CEO David Miliband stated.

"Yemen is at a breaking point with 10 million people on the brink of famine. There are as many as 100 civilian casualties per week, and Yemenis are more likely to be killed at home than in any other structure,” he added.

"There are 22 million souls at risk of dying, of being killed. Maybe not of being shot, but being starved to death or dying from medical problems for which they can receive no medicines," House Majority Leader Steny Hoyer previously told reporters, noting that the Arab coalition has launched more than 19,000 air raids across Yemen.

"It is a humanitarian crisis. I would refer to it in even more draconian terms because I think it's such a conscious effort by both sides to put these people at risk. It is necessary for us to act,” he added.

House Speaker Nancy Pelosi called on Trump to "put peace before politics."

"The conflict in Yemen is a horrific humanitarian crisis that challenges the conscience of the entire world. Yet the President has cynically chosen to contravene a bipartisan, bicameral vote of the Congress and perpetuate America's shameful involvement in this heartbreaking crisis," Pelosi said in a statement.

"This conflict must end, now. The House of Representatives calls on the President to put peace before politics, and work with us to advance an enduring solution to end this crisis and save lives."

The bill passed the House 247-175, with sixteen Republicans having voted in favor of the motion. In the Senate, the vote was 54 to 46, with seven Republicans voting with Democrats.