Keir Starmer is facing mounting anger from his own MPs.Keir Starmer’s popularity with the British public has plummeted to its lowest ever level, according to a new poll.The YouGov survey showed that 62% of voters now have an unfavourable view of the prime minister, compared to 28% who are still favourable towards him.That gives him an overall rating of minus 46, despite his efforts to get back on the front foot with a series of policy announcements.Even more worryingly for the prime minister, his standing among Labour voters has taken a hammering in the past month.In the middle of April, Starmer had a net favourability rating of plus 29 with them.But now, it stands at minus 5 – a fall of 34 points.Keir Starmer's net favourability rating has dropped 12pts in a month to -46, his lowest level ever, including a 34pt drop among Labour voters, leaving him more unpopular than popular with them for the first timeAll Britons: -46 net rating (down 12 from 13-14 Apr)By 2024 vote… pic.twitter.com/LJXdrcbVxJ