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Britain's 'in' and 'out' EU campaigns level: TNS poll

A Mini car is seen with a Union flag and European Union flag design on its bonnet in London, Britain March 31, 2016. REUTERS/Toby Melville

LONDON (Reuters) - The rival campaigns for Britain to stay in or leave the European Union are tied, an online poll by TNS showed on Friday, less than three months before the country’s historic referendum.

The ‘in’ and ‘out’ camps both had support from 35 percent of respondents in the poll with 30 percent still undecided.

Support for both sides fell by 1 percentage point compared with a previous survey in March.

TNS also showed that people were becoming less sure about the likely outcome of the June 23 referendum with fewer people - 33 percent compared with 41 percent - now saying they expected Britain to remain in the bloc.

The number of people who thought Britain would leave remained stable at 28 percent but those who did not know what the outcome was likely to be rose to 38 percent from 31 percent.

TNS said the poll was conducted between March 24 to 29 with 1,193 adults.

Reporting by Kate Holton; editing by William Schomberg