SYDNEY, AUSTRALIA - JANUARY 22: Police are seen on wharf 5 at Circular Quay on January 22, 2015 in Sydney, Australia. Circular Quay was evacuated after police were alerted to a suspicious object on a ferry. (Photo by Joosep Martinson/Getty Images)
SYDNEY, AUSTRALIA - JANUARY 22: Police are seen on wharf 5 at Circular Quay on January 22, 2015 in Sydney, Australia. Circular Quay was evacuated after police were alerted to a suspicious object on a ferry. (Photo by Joosep Martinson/Getty Images)