US President Donald Trump steps off Air Force One upon arrival at Andrews Air Force Base in Maryland on August 21, 2018

Donald Trump has addressed the escalating crisis besetting his presidency surrounding revelations from his former lawyer and a run of legal troubles that could see him investigated as part of a criminal case.

Following his former personal attorney and 'fixer' Michael Cohen's guilty pleas to a string of crimes - one of which he said the then-Republican candidate directed him to commit - the president tweeted:"If anyone is looking for a good lawyer, I would strongly suggest that you don’t retain the services of Michael Cohen!"

The outburst follows a day of major legal troubles unprecedented since he entered the White House in 2017 — and there may be rocky waters ahead after a fresh subpoena for Mr Cohen on Wednesday indicated investigators may be circling in on the Trump Foundation as well. In addition, Mr Trump has seen numerous calls from Democrats saying that Mr Trump's recent Supreme Court nomination should be stalled in light of Mr Cohen's statements, and the lawyer for the former Trump fixer further ratcheted up the pressure, and said his client would not accept a pardon from the president to reduce his sentence.

"Michael Cohen knows information that would be of interest to the special counsel, in my opinion, regarding both knowledge about a conspiracy to corrupt American democracy by Russians, and the failure to report that information to the FBI," Mr Cohen's lawyer, Lanny Davis, said on MSNBC. Mr Davis continued to say his client had set up a GoFundMe page to help pay for legal fees, and to help him "tell the truth about Donald Trump".

Mr Trump did not address the public after the latest developments were announced, but opted to spend a rally in West Virginia avoiding discussion of either Mr Cohen or Mr Manafort, and instead addressing issues ranging from his mother's turkeys, exploding windmills and imaginary Chinese drivers.

During the White House press briefing on Wednesday, Press Secretary Sarah Huckabee Sanders pushed back on talk that the events on Tuesday related to the president. She argued that Mr Manafort's charges had nothing to do with Mr Trump or his 2016 campaign, and said that it was "a ridiculous accusation" when asked if the president lied about having known about the payments made by Mr Cohen.

The president has previously denied having affairs with either of the women involved in the Cohen case. And he has strenuously objected to any suggestion that he is connected to any crimes revealed by the Mueller probe, which is looking into possible illegal collusion with the Russians.

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