Airlines fly from Jakarta to Australia daily, with direct flights to all capital cities.According to The Australian the four, who are all related, allegedly made a 'non-traditional' device designed to kill passengers with a sulphur-based gas.NSW and Federal Police swooped on five properties in the Sydney suburbs of Surry Hills, Lakemba, Wiley Park and Punchbowl on Saturday afternoon and found a 'considerable' amount of material.
The ISIS-inspired plot allegedly planned by the Lebanese-Australian duos, was foiled by counter terror police during a series of dramatic raids across Sydney on Saturday.
As police continue to search properties linked to the two families, a letter also found in a bin at one home in Lakemba, in the city's west, had links to another home raided in Surry Hills, the Daily Telegraph reports.
While the full extent of the alleged ISIS-inspired conspiracy is not yet known, so far it is believed the men - including the two father's aged in their 40s - planned to gas all passengers on board before detonating the bomb.
One man draped in a bed sheet with a heavily-bandaged head was seen being led into an ambulance outside a Surry Hills property.
The man appeared to be distressed and bleeding as he walked to a waiting ambulance, Nine News reported.
One neighbour of a man arrested in Wiley Park told The Daily Telegraph the accused would nurture stray cats in the area.'He and his brother would feed about 15 cats and when we complained that they were bringing ticks and diseases into the block, they would walk off,' they said.