By Lizzy Buchan Rishi Sunak has appeared to rule out holding a general election in the spring and said his “working assumption” is to call a vote in the “second half of this year”. The PM is under intense pressure to set a date for the next election, which must be held before January 2025. Speculation has been running rife in Westminster that he could go early, with Labour claiming plans for a May vote are the “worst kept secret in Parliament”. It comes after a major poll in the Mirror this week revealed two thirds of Brits want an election by the summer. It found 31% of people want the vote t…