An Australian man has been arrested over the murder of a teenage girl whose naked body was found inside a suitcase alongside a railway line in Thailand. The 46-year-old man, from Ballarat, Victoria, was arrested for the murder of 17-year-old Thai girl Tunchanok Donhomla as he allegedly tried to board a plane at the Suvarnabhumi International Airport in Bangkok on Friday evening, local media reports. His arms and neck were allegedly covered in scratch marks at the time of his arrest. According to local media, the man allegedly picked up the teenager from the Beach Road vice strip in Pattaya...