Nov 13 (Reuters) - Scottish Premier League club Hearts, struggling to stave off financial collapse over a tax bill due this week, dismissed a takeover approach from a group of local businessmen on Tuesday. The Edinburgh club, where Lithuanian Vladimir Romanov is the main shareholder, made an appeal last week for emergency financial help from fans. Hearts, who have total debts of 24 million pounds ($38.14 million), face a winding-up order over a 450,000 pounds tax bill and the deadline is Thursday evening. ... More...