Giuliani subpoenaed, new allegations in impeachment probe

More accusations surface as the impeachment inquiry into U.S. President Donald Trump heats up.

The New York Times reported Monday that in a call to Australian Prime Minister Scott Morrison, Trump urged the foreign leader to help U.S. Attorney General William Barr with a justice department inquiry aimed at discrediting Special Counsel Robert Mueller's Russia probe.

The Times cited officials with knowledge of the call, one saying the White House then restricted access of the transcripts to a small group of presidential aides -- an unusual move similar to the handling of a July call with Ukrainian President Volodymyr Zelenskiy that is at the heart of a House of Representatives impeachment inquiry into Trump.

The House initiated the inquiry last week after a whistleblower report raised concerns that Trump tried to leverage nearly $400 million in U.S. aid in exchange for a political favor from Ukraine's leader in July, with Trump requesting information that could be damaging to democratic presidential candidate Joe Biden.

Meanwhile, outspoken Trump attorney Rudy Giuliani was subpoenaed by the House Intelligence Committee Monday.

The subpoena seeks documents related to their impeachment inquiry, and states "you admitted on national television that you personally asked the government of Ukraine to target Vice President Biden."

While Trump railed against the impeachment inquiry Monday...

SOUNDBITE (English) U.S. PRESIDENT DONALD TRUMP, SAYING:

"There's been corruption on the other side. There's been corruption like you've never seen."

... Senate Majority Leader Mitch McConnell told CNBC that if the House votes to impeach, the republican senator would have no choice but to allow a trial.