Robert Costello said he told the grand jury Cohen essentially acted alone in paying Stormy Daniels. Cohen disputed the account on MSNBC, saying Costello has his "facts twisted."

The former president is expected to be indicted soon by a grand jury for his role in a hush money payment made to porn star Stormy Daniels on the eve of the 2016 election.

Donald Trump could be indicted​ in New York. Here's how the criminal investigation unfolded, dating back to ​his alleged affair with Stormy Daniels.

Michael Cohen waited in vain Monday to be called as the final, rebuttal witness. The grand jury is not expected to meet again until Wednesday.

The grand jury empaneled as part of the investigation into Donald Trump's alleged role in a scheme to pay hush money to adult film star Stormy Daniels on Monday heard from a potentially key witness put forward by the former president's legal team.

If prosecutors charge Mr Trump, it would be the first criminal case ever brought against a former US president. The grand jury, which has been set up by a Manhattan prosecutor to determine whether there is enough evidence to indict Mr Trump,

The indictment of a former president would be a remarkable moment in the country’s history in a case with a legal underpinning that appears far from open-and-shut.