United States president Donald Trump's latest Twitter eruptions come, in particular, after revelations Special Counsel Robert Mueller is investigating him personally.
The Washington Post has reported the wider investigation into any Russian interference in the 2016 US presidential election is now looking into Mr Trump's possible obstruction of justice.
First, there was this tweet from him:
"They made up a phoney collusion with the Russian story. Found zero proof. So now they go for obstruction of justice on the phoney story. Nice."
And this:
"You are witnessing the single greatest WITCH-HUNT in American political history, led by some very bad and conflicted people!"
Meanwhile, in his 15th annual nationwide, live call-in show from Moscow, Russian president Vladimir Putin had some words of his own about political interference in other countries.
"The former FBI director said that he believed that Russian meddling in the election process took place. But he again did not provide any evidence for this. But as he said, there was influence over their minds and over how they should act. Does it ever happen differently in the world? What about the constant American propaganda, their constant sponsoring of America-oriented NGOs? For which, they allocate direct funds to. Isn't that influence over our minds and an attempt to influence how we should behave during election campaigns? It happens year after year."
The former FBI director he referred to, James Comey, was fired by Mr Trump.
Mr Putin even made Mr Comey a joking offer.
"This sounds and looks very strange when the head of a special service records conversations with the commander-in-chief and then hands it over to the media through his friend. What is the difference between the FBI director and Mr (Edward) Snowden in this case? By the way, if he is somehow persecuted in connection to this, we are ready to give him political asylum in Russia. He should know that."
US vice president Mike Pence has now hired a lawyer to help him through the investigation into any ties between the Trump campaign and Russia.
And the US senate has voted nearly unanimously to impose new sanctions on Russia and require Mr Trump to gain Congress's approval before easing any sanctions on Russia.
Meanwhile, during his four-hour, marathon phone-in, Mr Putin has suggested the two countries could cooperate in efforts to prevent the proliferation of mass-destruction weapons.
And he says they could work together to solve what he calls the "problems" in Syria and the Middle East.
The Russian president told his listeners the fighting in Syria has proved to be an invaluable experience for the Russian military.
"I can say that the experience acquired by our armed forces in combat conditions in Syria, especially with the use of new weapons, is absolutely priceless. I say this without any exaggeration. You know our armed forces have got a new quality. Some divisions have been created for the first time and are being used very effectively."
And Mr Putin has answered a variety of other questions on the phone-in, including on issues such as the economy.
One woman even asked for a new house.
Mr Putin looked visibly stunned when listening to some people talk about how little they earned or how badly they lived.
The questions have long been depicted as stage-managed, but, at one point, "Perhaps you're tired and you should quit?" flashed up on a screen behind him in the television studio.
Another comment appearing in the corner of television screens for a few seconds read, "The whole of Russia thinks you've outstayed your welcome on the throne."
Asked afterward by the BBC if he felt worried about recent protests in the country, Mr Putin showed no concern.
"When I hear this, I look at what happens in other countries and their political processes. We know of several cases of politicians staying in power for a long time. In principle, this is okay, provided it is within the bounds of democratic procedures and the law. So far in Russia, no-one has broken the law."
On Sunday night at 8:30, SBS-TV will air a two-hour special on Vladimir Putin from a series of interviews with US writer-director Oliver Stone.
