New York attorney general vows Trump investigation will proceed ?undeterred?

The New York attorney general, Letitia James, said on Monday her investigation of Donald Trump's business affairs would continue "undeterred", despite Trump suing to stop it on grounds of political bias, "because no one is above the law, not even someone with the name Trump".

The New York Times first reported Trump's lawsuit, filed in federal court in Syracuse, New York. It alleges that James, a Democrat, "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".

James is investigating whether the Trump Organization manipulated valuations of its real estate properties.

In one such instance, as Trump ran for president in 2016, the Guardian reported on differing valuations of a golf club outside New York City. The headline: How Trump's $50m golf club became $1.4m when it came time to pay tax.

The Washington Post and other outlets have reported similar alleged practices at other Trump properties.

Last year, investigators working for James interviewed Eric Trump, one of the former president's sons and a Trump Organization executive. James went to court to enforce a subpoena and a judge forced the younger Trump to testify, after his lawyers canceled a deposition.

In an investigation that could only result in civil charges, James recently said she would seek to question Donald Trump under oath.