Photo: smh.com.au/, the Police arrested suspected terrorists

The detained extremists were planning a terrorist attack on Board the plane.

At Sydney airport, the family of Islamist extremists were going to poison passengers poisonous gas. The Newspaper reports about it.ru with reference to The Australian.

We will remind, earlier it was reported that in Australia prevented the impending attack.

According to the publication, the attack was planned to use the bomb, and released poison gas device. While the detainees are relatives, and their families linked by marriage.

The sources also explained that the gas had to either kill or immobilize the passengers of the liner. As explained by The Australian, the terrorists were close to completion of full device.

This clarifies that the detainees were in contact with terrorists of the Islamic state in Syria .

We will remind, earlier it was reported that the terrorist group Islamic state launched an attack in Melbourne, Australia.