June 13 (UPI) -- A woman is in critical condition after a shark attack at a popular Sydney beach Saturday, and she was saved by a nearby lifeguard. The 35-year-old woman hasn't been identified . She had serious bite injuries on a leg and an arm from the morning attack at Coogee Beach, a police statement said. She and two friends were swimming about 100 feet from the shore , when she was bitten, ambulance official Michael Corlis said. Lifeguard Tony Waller said the shark was about 11 feet long.