WASHINGTON — GOP lawmakers began publicly fuming shortly after President Joe Biden announced that he was pardoning his son Hunter Biden.

President-elect Donald Trump’s communications director, Steven Cheung, reacted to Biden’s announcement without naming the president or his son.

“The failed witch hunts against President Trump have proven that the Democrat-controlled DOJ and other radical prosecutors are guilty of weaponizing the justice system,” Cheung said in a statement.

“That system of…