By Lars Mucklejohn Flows into a government-backed scheme offering tax reliefs for investors in UK start-ups have surged since the general election, new data has revealed, as fears grow of possible tax rises under the new Labour government. Flows of new money into the Seed Enterprise Investment Scheme (SEIS) soared 188 per cent year on year between the election on 4 July and the end of August, according to broker Wealth Club. The research also found that the number of investors taking advantage of the scheme roughly tripled over the period. The SEIS was introduced in 2012 to encourage private i…