On 15 – 16 December 2014 the Lindt Chocolate Cafe on the ground floor of the Phillip Street frontage was the scene of the 2014 Sydney hostage crisis , when a lone gunman held staff and customers as hostages . The siege resulted in the death of two hostages , Tori Johnson and Katrina Dawson , and also the death of the gunman Man Haron Monis . After the siege , memorial flower bouquets filled nearby areas of Martin Place and many Sydneysiders came to Martin Place to mourn and reflect . Subsequent memorial services were held in the city at the nearby St Mary 's Cathedral and St James ' Church , and condolence books were set up in other Lindt cafes
2014 Sydney hostage crisis
2014 Sydney hostage crisis
APA Building, Sydney