The Republican presidential leader turned on the Prime Minister and London's chairman after both scrutinized his proposition to restriction all Muslims from the US.
Trump said the Mr Cameron's displeasure at his migration arrangement was proof 'he's not willing to address the issue either'.
The Republican presidential leader additionally marked new London Mayor Sadiq Khan "oblivious" for his feedback of the strategy and said the Labor government official ought to take an IQ test.
He said: 'He doesn't have any acquaintance with me, hasn't met me, doesn't realize what I'm about. I think they were exceptionally discourteous proclamations and, to be honest, let him know I will recollect those announcements. They are extremely awful explanations.'
Furthermore, he likewise said something to the EU submission fight and said the UK ought to leave since: 'What do you require it for?'
Be that as it may, Downing Street demanded the PM 'remains by his words' and would not apologize.
Mr Trump has been in a war of words with British legislators since December when he required 'an aggregate and finish shutdown of Muslims entering the United States'
The very rich person's announcement after the murdering of 14 individuals by two Islamic State sympathizers in California were marked "moronic" and "divisive" by David Cameron.
In a selective meeting with Good Morning Britain he told Piers Morgan that he may battle to get on with the Prime Minister on the off chance that he is chosen president.
He said: 'It would appear that we're not going to have a decent relationship, who knows, I plan to have a decent association with him yet it sounds like he's not willing to address the issue either'.
London's first Muslim leader Sadiq Khan said while crusading that he would be banned from America if Mr Trump was chosen.
He said that Trump's remarks 'plays under the control of the fanatics' and called him 'oblivious'.
Today the inn head honcho reacted by saying: 'When he won I wished him well. Presently, I couldn't care less about him, I mean it doesn't mean any distinction to me, we should perceive how he lets', check whether he's a decent chairman.'
Inquired as to whether he was annoyed by Mr Khan's open denouncement he answered: 'Better believe it, I am.'
A representative for Mr Khan dismisses the new explanation.
He said: 'Donald Trump's perspectives are oblivious, divisive and perilous - it's the governmental issues of apprehension even under the least favorable conditions and will be rejected at the voting station pretty much as it was in London.
'Sadiq has spent his entire life battling fanaticism, yet Trump's comments make that battle much harder for all of us - it plays straight into the radicals hands and makes both our nations less protected.'
Inquired as to whether Mr Khan would take up the offer of an IQ test, the representative said: 'Obliviousness is not the same thing as an absence of insight.'
In today's meeting, Mr Trump denied he was 'at war' with Mr Khan however said: 'I simply believe it's exceptionally discourteous of him. Truth be told it's the inverse. I wished him well when I heard he won, he's a Muslim... I believe it's uninformed for him to say that.'
The United States is Britain's nearest partner and political pioneers from both countries regularly talk about how the nations' appreciate an extraordinary relationship.
Cameron not long ago declined to withdraw his 'divisive, dumb and wrong' remark yet said that Trump merited appreciation for enduring the exhausting Republican essential procedure.
Mr Trump was inquired as to whether he needed to withdraw his proposed restriction on Muslims.
He said: 'We have a huge issue with radical Islamic fear.
'The world is exploding and its not individuals from Sweden that is doing the harm OK. So we have a genuine issue.'
He likewise said something to the EU fight and said: 'What do you require it for?'
He included: 'I've managed the European Union, it's exceptionally bureaucratic, it's extremely troublesome. In any case, once more, let individuals
make up their own particular personality.'
Mr Trump started a colossal line when he reported his approach on an impermanent restriction on Muslims entering the United State.
He said: 'Until we can decide and comprehend this issue and the unsafe danger it represents, our nation can't be the casualty of repulsive assaults by individuals that accept just in jihad.
'We should forbid any Muslims from coming in. Any of them. The reason is basic: we can't recognize what their state of mind is.'
Mr Trump utilized the dread assaults as a part of Paris to support his contention, saying: 'They have segments in Paris that are radicalized, where the police decline to go there. They're petrified. The police decline to go in there.'
He included: 'We have places in London and different spots that are radicalized to the point that police are anxious for their own particular lives.'
The Home Secretary joined David Cameron and Boris Johnson in scrutinizing Mr Trump yet some serving cops told MailOnline he was correct.
The proposition incited shock and roused the then biggest greatest appeal to Parliament requesting Mr Trump be banned from Britain.
The Government declined to underwrite the appeal specifically however a few senior lawmakers, drove by Mr Cameron, took the chance to excitedly censure the then pariah for the White House.
In the same Piers Morgan meeting Mr Trump said a post-Brexit UK would not be sent to the back of the line to secure an exchange manage the US if he get to be president.
His remarks negate those of President Barack Obama who on a visit to Downing Street cautioned a month ago that Britain would be 'at the back of the line' regarding an exchange bargain. Mr Trump rehashed his sentiment that the UK ought to leave the EU and said: 'I think on the off chance that I were from Britain I would most likely need to do a reversal to an alternate framework.'
Inquired as to whether the UK would be at the front of the line for an exchange bargain under a Trump administration, he answered: 'I would prefer not to say front or whatever else. That is to say, I'm going to treat everyone decently except it wouldn't have any effect to me whether they were in the EU or not.'
He included: 'You'd absolutely not be back of the line, that I can let you know.'