This story is developing and will be updated as more information becomes available.

Former President Trump is suing New York Attorney General Letitia James in an effort to block her civil probe into the Trump organization.

The Hill reports:

Trump’s lawyers in the complaint attacked the investigation as an attempt to undermine him politically and charged James with violating the former president’s constitutional rights.

“The investigations commenced by James are in no way connected to legitimate law enforcement goals, but rather, are merely a thinly-veiled effort to publicly malign Trump and his associates,” the complaint reads. “Her mission is guided solely by political animus and a desire to harass, intimidate, and retaliate against a private citizen who she views as a political opponent.”

The lawsuit was first reported by The New York Times.

The move comes two years into James’s investigation into whether Trump’s business has illegally inflated its assets to attract investors and win tax breaks. The probe is being conducted parallel with a criminal investigation being carried out by the Manhattan district attorney, Cyrus Vance Jr. (D).