VICTORIA, New Zealand and US police are involved in the search for the parents of 'Pumpkin', the little girl abandoned at a Melbourne train station. New Zealand police hold grave fears for the mother, Annie Xue, also known as Anan Liu, who has not been heard from. Pumpkin's father, New Zealand magazine publisher, Nai Xin Xue, flew to the US two hours after dumping his daughter at Southern Cross Railway Station on Saturday morning. "There are concerns we haven't heard from her at all," head of Auckland CIB, Detective Inspector Dave Pearson, told NZPA. He would not say if police...