English Singer Amy Winehouse cancels part of European tour

English singer-songwriter Amy Jade Winehouse cancelled part of her European tour on Sunday, a day after the British singer was heavily booed for being late and displaying erratic behaviour on stage during a concert in Serbia.The concert late on Saturday in the Serbian capital of Belgrade kicked off what was to be a 12-date tour of Europe. But Winehouse decided to cancel appearances in Istanbul yesterday and in Athens tomorrow, according to a statement.Her representatives said it would be "worked out as soon as possible" whether she would attend the rest of her European tour. The next scheduled concert date after Athens is on July 8 in Bilbao, Spain. The tour was to end in Bucharest, Romania, on August 15.Winehouse would like to say sorry to fans expecting to see her in Turkey and Greece, but "feels that this is the right thing to do", the statement said.