Jan. 19 (UPI) -- A surfer was bitten by a shark in waters off Sydney on Monday evening, the second person to suffer critical injuries in a shark attack near the Australia's largest city in little more than 24 hours. Emergency services were notified of the most recent attack at about 6:20 p.m. AEDT Monday, the New South Wales Police Force said in a statement . The surfer, identified as a man believed to be in his 20s, was pulled from the waters of North Steyne Beach, Manly, near Sydney Harbour