The Democratic-led US House of Representatives has voted to override President Donald Trump’s veto of a $740 billion defence policy bill, a move that underscored divisions in the Republican Party during Trump’s final weeks in office.

The 322-87 House vote, in which 109 Republicans joined Democrats to override Trump’s veto, leaves the bill’s fate to the Republican-led Senate, where a final vote is expected this week.

If the Senate seconds the House action, the bill becomes law. It would be the first veto override of Trump’s presidency.

Trump, who is angry that some Republicans have acknowledged his loss to Democratic President-elect Joe Biden in the Nov. 3 election, vetoed the defence bill last Wednesday.

Trump said he blocked the legislation because he wanted it to overturn liability protections for social media companies unrelated to national security, and he opposed a provision to rename military bases named after generals who fought for the pro-slavery Confederacy during the Civil War.

House Speaker Nancy Pelosi welcomed what she described as “an overwhelming bipartisan” vote to override Trump’s rejection of the bill and predicted the legislation would become law despite the president’s “dangerous sabotage efforts.”

“The president must end his eleventh-hour campaign of chaos and stop using his final moments in office to obstruct bipartisan and bicameral action to protect our military and defend our security,” Pelosi said in a statement.

Another top Democrat, House Majority Leader Steny Hoyer, said he believes the Senate will join the House in rejecting Trump’s veto.

Twenty Democrats, including the prominent progressive, Representative Alexandria Ocasio-Cortez, opposed the override.

Representative Mac Thornberry, the top Republican on the House Armed Services Committee, urged Republicans ahead of the vote not to side with the president.

“The world is watching what we do,” the Texas Republican said. “I would only ask that as members vote, they put the best interests of the country first. There is no other consideration that should matter.”

The legislation, which addresses a host of defence policy issues and includes a pay raise for US troops, has been passed by Congress every year since 1961.

The bill had earlier passed both chambers of Congress with margins greater than the two-thirds majorities needed to override the if president’s veto needed. But Trump vetoed it anyway and the bill went back to Congress for a possible override.