Tunchanok Donhomla's parents have described being left "shocked and speechless" over her gruesome death as a 45-year-old man has been charged

Simon Carman, 46, from south of Perth, was arrested after the body of 17-year-old Thongchai Donhomla was found by local police in luggage near railway tracks.

Simon Carman, 46, from south of Perth, was arrested after the body of 17-year-old Thongchai Donhomla was found by local police in luggage near railway tracks.

Tunchanok Donhomla's parents have described being left "shocked and speechless" over her gruesome death as a 45-year-old man has been charged