A porn star has been extradited to Canada to face questions over the death of a Chinese student whose dismembered body parts were sent in the post.

Luka Rocco Magnotta, who is 29, is accused of first-degree murder in connection with the killing of Jun Lin, whose feet and hands were mailed to Canadian political parties and schools.

DNA tests linked the body parts to a decomposing torso which was found stuffed in a suitcase in an alley near Magnotta's flat in Montreal.

The victim's head has yet to be found.

Police have said Magnotta and Lin knew each other and they have also linked the murder to an online video showing a man stabbing another man repeatedly, before dismembering the body and eating part of it.

Magnotta, who flew to Canada on a military plane because it was judged too dangerous for him to travel on a commercial flight, did not fight his extradition.