Australians are preparing to remember the 15 people killed at Bondi Beach, one week on from the terror attack

Two gunman opened fire at Sydney Hannukah celebrations last sunday evening.

Today has been declared a national day of mourning across the Tasman.

Prime Minister Anthony Albanese says flags will be flown half mast, Australians will put a candle in the window, and then observe a minute silence at 6.47pm.