article_snippet: (CNN)Authorities at Sydney Airport stopped two Australian teenagers who were suspected of trying to leave the country to join ISIS.
article_snippet: two Australian teenagers who were suspected of trying to leave the country to join ISIS had return tickets to unnamed "conflict zones" in the Middle East, and a luggage search heightened suspicions that two Australian teenagers who were suspected of trying to leave the country to join ISIS were headed abroad to fight.
article_snippet: Prime Minister Tony Abbott spoke directly to other susceptible Australians who were considering leaving to fight abroad.
article_snippet: Don't even begin to think you can leave Australia," Prime Minister Tony Abbott added.
article_snippet: Australia estimates there are at least 90 citizens fighting and supporting terrorist groups in Iraq and Syria.
article_snippet: Last month, the government announced plans to suspend or revoke citizenship for dual nationals involved in terrorism, and also strip certain privileges from Australian citizens who break anti-terror laws.
highlights_snippet: Authorities stopped two teenage brothers at Sydney Airport who were suspected of trying to join ISIS .
  