Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle Prime Minister Sir Keir Starmer has been urged to take action in the UK in response to the rising cost of petrol (James Manning/PA) (PA Wire) Home Secretary Shabana Mahmood and at least three other senior ministers have urged Sir Keir Starmer to resign or set a timetable for his departure ahead of a crucial cabinet meeting. Over 80 Labour MPs have called for Sir Keir to step down, with growing speculation that Health Secretary Wes Streeting is preparing a leadership challenge. Four ministerial aides, including those to Wes Streeting and Emma Reynolds, resigned amid the revolt, indicating a loss of confidence in the Prime Minister. Sir Keir delivered a defiant speech vowing to prove his doubters wrong, but it failed to impress many backbenchers still reeling from poor local election results and lacking policy detail.…