Third of EU referendum voters won’t make up their minds until week before poll

London School of Economics research suggests knife-edge referendum vote may be decided at the last minuteUp to 30% of people will change the way they vote or make up their minds in the week before the 23 June Brexit referendum, with half of these only deciding finally on polling day, according to research by academics at the London School of Economics.The findings, in a report sponsored by Opinium and Lansons strategic consultancy, suggest that the result could swing either way – depending