BARBRA STREISAND has cancelled the opening date of her European tour in Rome next month following international criticism over ticket prices. Organisers have been forced to scrap next month’s opening show in Rome, Italy, originally slated to take place on June 15 at the city’s Stadio Flaminio, delaying the start of the month-long tour. Consumer groups in Italy earlier this week protested against the show due to the expensive price of the tickets, which range from $200 (£100) to more than $1200 (£600), calling it "absurd and shameful". The superstar has previously defended the high prices because part of the proceeds will go to her charity the Barbra Streisand Foundation. Streisand is still due to perform as scheduled on June 21 in Vienna and the rest of the dates for her European tour will now be revised and announced in the next few days. However, a spokesman for the star denies the cancellation is a result of criticism over the ticket prices.