Kellyanne Conway made the remarks ahead of Mr Trump’s speech ending the Republican National Convention tonight. The US President is expected to make law and order a centrepiece of his speech to garner support ahead of the November 3 election. Her comments come after the death of Jacob Blake in Wisconsin on Sunday, who died after police shot him in the back seven times, leading to a resurgence of Black Lives Matter protests.
Mrs Conway, who managed Mr Trump’s 2016 campaign, has said clashes in American cities will help boost the President’s ratings.
She said: “The more chaos and anarchy and vandalism and violence reigns, the better it is for the very clear choice on who’s best on public safety and law and order.
“These are Democratically led cities and most with Democratic governors. . . . it’s not Donald Trump’s watch.”
The outgoing official has recently announced she will stepping down to look after her family.
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Mrs Conway’s comments were savaged by Democrat nominee for President Joe Biden.
He claimed her words were an example of the Trump administration “rooting for more violence”.
He added: “She said — and I’m paraphrasing — that they’re looking for more violence and more disruption because it helps them politically.
“He views this as a political benefit to him. He’s rooting for more violence, not less, and is clear about that. And what’s he doing?
“Just kept pouring more gasoline on the fire.”
Mr Trump will address Republicans at the White House as he accepts his renomination.
He is expected to say tonight: “At no time before have voters faced a clearer choice between two parties, two visions, two philosophies, or two agendas.
“We have spent the last four years reversing the damage Joe Biden inflicted over the last 47 years.
“At the Democrat convention, you barely heard a word about their agenda. But that’s not because they don’t have one.
“It’s because their agenda is the most extreme set of proposals ever put forward by a major party nominee.”
Current nationwide polling in the US gives Mr Biden a clear lead over Mr Trump.
Franklin and Marshall College published a poll from August 17 to August 23 showing Mr Biden with a seven percent lead over Mr Trump.
Yougov has given the Democrat a lead of nine points, as did XHarris’ polling data, for the same period nationwide.
Mr Trump is said to be privately frustrated over the polling figures.