Australian scientists believe increasingly crowded waters and rising ocean temperatures are swaying sharks' migratory patterns, which may be contributing to a rise in attacks.

Australian scientists believe increasingly crowded waters and rising ocean temperatures are swaying sharks' migratory patterns, which may be contributing to a rise in attacks.

A man has been killed by a great white shark in western Australia, police and officials said.

The man was bitten just before 10:00 (03:00 BST) at Horseshoe Reef - north-west of the popular Rottnest Island near the city of Perth, local police said.

A serious incident occurred today when a man died after a shark attack off Western Australia’s coast on Saturday, police confirmed. The police said in a statement that the 38-year-old victim...