Trump's son-in-law Jared Kushner used private email for White House business

Donald Trump's son-in-law Jared Kushner used a private email account to communicate with colleagues in the White House, his lawyer says.

Used alongside his official White House account, Mr Kushner - a key aide to the President - is said to have both sent and received messages via his personal email on dozens of occasions, on topics including media coverage and planning events.

The use of the private email was first reported by American outlet Politico.

President Trump repeatedly attacked Democratic opponent Hillary Clinton for setting up a private email account while she was secretary of state under Barack Obama.

In her recently released book What Happened, Ms Clinton cites former FBI director James Comey's investigation into her emails, conducted in the closing weeks of the election, as one of the key reasons for her losing the election.

Dubbing her "Crooked Hillary", Mr Trump led chants of "lock her up" at campaign rallies, saying "she has to go to jail".

After becoming President he said he would not pursue prosecution for the mishandling of classified information.

In a statement, Mr Kushner's lawyer Abbe Lowell said: "Fewer than 100 emails from January through August were either sent to or returned by Mr Kushner to colleagues in the White House from his personal email account.

"These usually forwarded news articles or political commentary and most often occurred when someone initiated the exchange by sending an email to his personal, rather than his White House, address."

He said the emails have "all have been preserved in any event".

In July, Mr Kushner testified to the Senate Intelligence Committee about Russian meddling in the 2016 presidential election.

During the session, which was held behind closed doors, he denied making a deal with Russia.

Probes into alleged Russian interference into the American election are ongoing.