Ottawa CFL player R.J. Harris said he was "getting blown up with all of these notifications" after the U.S. president's slip.

The barrage of tweets comes days after Trump earned a public rebuke from his own attorney general, said the president's tweets were "making it impossible'' for him to do his job.

Trump, in his tweet, also left open the possibility that he would ask Barr for something in a criminal matter in the future.

The invitation comes as the House intelligence committee is set to hear more testimonies in the second week of public hearings.

A report alleges the Attorney General rebuffed the request, which came around the time the White House released a rough transcript of Trump's call at the centre of an impeachment probe.

Last year Trump made a similar threat as wildfires devastated Malibu and Paradise, California -- accusing the state of ``gross mismanagement'' of forests.

Turkey says it has finalized preparations for a military push into northeast Syria, after the United States began pulling back troops.

Amid the legal skirmishing, it was a day of verbal fireworks.

Trump in a series of tweets cited a bombing in the past week in Kabul that killed 12 people, including a U.S. soldier.

Trump's tweets come as talks aimed at easting tensions between the world's two largest economies continue.