Trump hits union chiefs after Biden gets key endorsement

President TrumpDonald John TrumpUS-Saudi Arabia policy needs a dose of 'realpolitik' Trump talks to Swedish leader about rapper A$AP Rocky, offers to vouch for his bail Matt Gaetz ahead of Mueller hearing: 'We are going to reelect the president' MORE on Monday blasted union leaders after former Vice President Joe BidenJoe BidenBiden compares Trump to George Wallace Sanders unveils plan to guarantee the 'right to a secure retirement' CNN Democratic debate drawing finishes third in cable news ratings race MORE received the endorsement of a major firefighters labor group.

“I’ll never get the support of Dues Crazy union leadership, those people who rip-off their membership with ridiculously high dues, medical and other expenses while being paid a fortune. But the members love Trump,” the president said.

Trump, who has long claimed support of rank-and-file union members, added that “they look at our record economy, tax & reg cuts, military etc.” and see a “WIN!”

ADVERTISEMENT

The president’s latest attack came hours after the International Association of Fire Fighters announced it would endorse Biden's 2020 Democratic presidential bid after staying out of the 2016 election, declining to endorse Democratic nominee Hillary ClintonHillary Diane Rodham ClintonMatt Gaetz ahead of Mueller hearing: 'We are going to reelect the president' What to expect when Mueller testifies: Not much McConnell challenger faces tougher path after rocky launch MORE or Trump.

While it was widely expected, the endorsement gave Biden a boost as he got set to hit the campaign trail for the first time on Monday with a rally in Pittsburgh.

People close to Trump believe Biden could be the president’s most formidable general election opponent, since he could earn support from white, working-class voters in states Trump won in 2016, including Pennsylvania, Michigan and Wisconsin.