A GRAN claimed to be the world’s oldest person has celebrated turning 119 - and puts her long life down to her fatty diet of butter and cheese. Seker Arslan was reported to be even older yesterday in Turkish media after her cake had a large number 120 on top - as even her family appeared uncertain how old she is. She was said to have celebrated the event at home in Amasya, north Turkey, surrounded by her relatives on Sunday. But an ID card offered as proof of her age suggested she was born on June 27, 1902 -...