Andy Burnham's tax plans have come under fire from Tony Blair's son, tech entrepreneur Euan Blair, who warned Britain is "very close" to a point where higher taxes could "cripple growth". Speaking to Sky News broadcaster Cathy Newman, Mr Blair, who has an estimated net worth of £350 million, said there was "genuine fear" among businesses and entrepreneurs that the UK was approaching a point where the economy could no longer absorb further tax increases without damaging growth. Article continues below ADVERTISEMENT Get the latest politics news – straight from our team in Westminster and more I would like to…