NewsPoliticsKeir StarmerLIVEUpdated 5 mins agoDonald Trump lashed out at Sir Keir Starmer once again saying the prime minister 'will' resign - Trump said Sir Keir, fighting for his future at No. 10, 'failed' in two key areasTrump and Starmer have had an increasingly tense relationship(Image: POOL/AFP via Getty Images)Donald Trump has issued what could be a final parting shot to the in-trouble Prime Minister Sir Keir Starmer.In a post on his Truth Social media site, Trump accused Sir Keir of failing with his immigration and energy policy. “Keir Starmer will resign as Prime Minister of The United Kingdom," said Trump. “He failed badly on two very important subjects – IMMIGRATION AND ENERGY (OPEN NORTH SEA OIL!). I wish him well! President DJT.”Trump has repeatedly urged the UK to open up the North Sea for oil instead of using “windmills”. Their initially friendly relationship with the US president has soured significantly in recent months as tensions have continued simmering over Sir Keir’s refusal to allow US forces to use RAF bases in the initial wave of attacks against Iran.Sir Keir insisted he and Trump “get on really well” when asked by reporters at the G7 summit in France earlier this week why the two did not hold a one-on-one meeting. The US president’s comments come as Sir Keir spends the weekend reflecting on whether to fight or step down amid mounting calls for him to set out a timetable.Trump appears to be drawing from media reports that the Prime Minister could quit as soon as Monday. He has not spoken to Sir Keir since they saw each other at the G7.Starmer has vowed not to walk away from his post on Friday, in the immediate aftermath of Andy Burnham winning the Makerfield by-election, but pressure has been mounting over the weekend.Follow live updates below....‌View PostToday16:26 BSTLabour leadership - fight or flight?A senior Labour government figure today refused to rule out the resignation of embattled Prime Minister Keir Starmer.But Number 10 had insisted the PM will continue to fight on following Andy Burnham's emphatic victory in the Makerfield by-election.Starmer is known to be losing support from key supporterrs including members of his own cabinet.Yvette Cooper, the Foreign Secretary, was one of the top ministers to urge the Prime Minister to go in a series of calls held after the Makerfield by-election, The Mirror reported earlier. The message was delivered privately and the Foreign Secretary has made no public comment.On Sunday morning Peter Kyle, the Business Secretary, said he had a "frank conversation" about the challenges facing the PM - but declined to be drawn further.Keir Starmer and Andy Burnham pictured together earlier this year(Image: Sean Hansford | Manchester Evening News)Today16:22 BSTTrouble for PM as Burnham returns to WestminsterFormer Mayor of Greater Manchester Andy Burnham make his return to Westminster on Monday to be sworn in as the new MP for Makerfield.Long-tipped as a king over the water for Labour, a number of MPs hope Burnham will make a useful prime minister.It is understood his camp wants Sir Keir to set out his plans in the coming days but would accept a timetable that kept him in No 10 until September.Andy Burnham is looking to become the next Labour leader and Prime Minister(Image: Getty Images)Today16:16 BSTTrump claims Starmer WILL resignDonald Trump has been severely critical of Starmer, particularly since the Britih PM's refusal to join his war in Iran. Today, the US president issued a parting shot to the PM, saying Starmer "will resign as Prime Minister of The United Kingdom" having "failed on two very important subjects."He failed badly on two very important subjects- IMMIGRATION AND ENERGY (OPEN NORTH SEA OIL!)," said Trump in a post on his Truth Social media site.Signing off his comment, Trump said he wishes Starmer "well".Today16:16 BSTTrump and Starmer have not spokenTrump's post that Starmer "will" resign appears to be due to media reports swirling around the PM over his future.He is not thought to have spoken to Trump this weekend.The two met recently at the G7 world leaders summit in Évian-les-Bains, France. A post on social media claimed that when US President Donald Trump arrived at a meeting of world leaders, he did not shake the hand of Prime Minister Sir Keir Starmer.“Donald Trump shook everyone’s hand, except Keir Starmer, then walked off,” the post read. It included a short clip appearing to show the incident.This is not what videos of the event show. A little before the video posted on social media starts, Sir Keir and Mr Trump did shake hands.Starmer and Trump at the G7 last week(Image: Simon Dawson / No 10 Downing Street)‌