Brexit update: opinion polls show the outcome of vote is too close to call
Some 46 million voters across Britain and Northern Ireland have registered to vote, a record number on the electoral register.
Poll have opened in Britain's historic referendum on whether to stay or quit the country's membership of the European Union.
After a lengthy and at times bitter campaign that has been overshadowed by the shocking murder last week of Labour MP Jo Cox, opinion polls show the outcome of vote is too close to call.
Some 46 million voters across Britain and Northern Ireland have registered to vote, a record number on the electoral register. Polling stations opened at7am and voting continuesuntil 10pm this evening.
