Australian beaches shut down following fatal shark attack on swimmer

Beaches in Perth have been closed down after a 63-year-old swimmer was killed in a great white shark attack. The victim has been identified as Greg O'Neill, who was a devoted father and a grandfather-to-be. He was swimming at a popular beach when the attack happened in front of horrified beachgoers, including a friend who witnessed the incident. Following the fatal attack, authorities have issued a rare kill order for the great white shark involved. Witnesses described seeing a large pool of blood in the water as the attack unfolded.