The United States cutting short Gaza ceasefire talks this week plunges one of President Donald Trump’s pushes to solve global conflicts into new uncertainty.

Though the Republican president has only been back in office for six months, he has sought to be known as a peacemaker. In some cases, he has set ambitious goals that have fallen short, like a promise to end the still-ongoing war in Ukraine before he took office.

U.S. President Donald Trump on Friday said Palestinian militant group Hamas did not want to make a deal on a ceasefire and hostage release in Gaza. Trump made the comments to reporters at the White House one day after his Middle East peace envoy,