Two Australian women allegedly linked to ISIS have been charged with crimes against humanity offences, while another has been charged with terrorism offences, after the trio returned from Syria on Thursday night. They were part of a group of Australian citizens – comprising four women and nine children – who arrived on flights to Sydney and Melbourne from Doha after leaving a refugee camp in northeast Syria. The two women arrested at Melbourne Airport are believed to be Kawsar Abbas, 53, and her daughter Zeinab Ahmad, 31. On Friday, the 53-year-old was charged with four counts of crimes against humanity, including enslavement. Each offence carries a maximum penalty of up to 25 years’ imprisonment.Authorities will allege the woman travelled to Syria in 2014 with her husband and children, and was complicit in the purchase of a female slave for US$10,000, and knowingly kept the woman in the home.The 31-year-old was charged with two counts of crimes against humanity, including enslavement. It will be alleged she travelled to Syria in 2014 with her family and knowingly kept a female slave in the home.The women were detained by Kurdish forces in March 2019 and held with other family members in Al Roj Internally Displaced Persons (IDP) camp, the AFP said in a statement.They will front Melbourne Magistrates Court on Friday.A 32-year-old – believed to be Sydney nursing student Janai Safar – who was arrested on arrival at Sydney International Airport has been charged with entering and remaining in a declared area, and being a member of a terrorist organisation, the AFP said in a statement. Both offences carry a maximum penalty of up to 10 years’ imprisonment.It will be alleged the woman travelled to Syria in 2015 to join her husband, who had previously left Australia and joined ISIS.She will face Downing Centre Local Court on Friday. Dramatic scenes at Sydney, Melbourne airportsOn Thursday, dramatic scenes erupted at Melbourne Airport as a burly security team ushered out the last woman in the cohort, who was not arrested, and multiple children, pushing past waiting media at the terminal to a mini bus.A group of men dressed in hoodies and wearing face coverings, believed to be supporters, gathered at the arrivals gate waiting for the group to pass through.Some of the men, who were waiting at Melbourne Airport’s terminal 2, said they would be providing “security” and escorting the women and their children. Passengers who disembarked from the Qatar Airways flight in Sydney said they were told by cabin crew to remain seated on the aircraft as several uniformed police officers boarded the plane. One passenger, Lina, said she saw a man, a woman and a child escorted off the plane from their economy seats, and several police cars waiting on the tarmac.Home Affairs Minister Tony Burke confirmed on Wednesday the four women and nine children had made plans to travel home.The Albanese government has insisted the cohort has received no assistance from Australia and would face the “full force of the law” upon arrival. AFP Commissioner Krissy Barrett, speaking the day before the group landed in Australia, said while some individuals in the cohort would be arrested on arrival, others would be monitored by law enforcement. She said children would be asked to participate in “community integration programs, therapeutic support, and countering violent extremism” programs. “For more than a decade, investigators, when possible, have been collecting evidence and information in Syria at a time when Syria was a war zone with no functioning government,” Ms Barrett said.“That evidence and information was to determine whether Australians who travelled to Syria may have committed Commonwealth offences, including terrorism offences such as entering, or remaining in, declared areas, and crimes against humanity offences, such as engaging in slave trading.” NSW Police Commissioner Mal Lanyon told 2GB NSW Police would have a heavy presence at Sydney Airport ahead of some of the group’s arrival. “I think the announcement has had significant public interest. So we’ll certainly have a policing presence, as will the (Australian Federal Police), just to make sure there’s no breach of the peace,” he said.“Just to make sure that any people that may attend in support or against the people returning to Australia aren’t unruly and behave.” Mr Lanyon said the Department of Communities and Justice would “work very closely with any relatives” to make sure children in the cohort are taken care of, should their accompanying adult be arrested. “It is important we take care of any children who may be present.”NSW Premier Chris Minns echoed this sentiment, saying: “The kids have got nothing to do with this.” “They didn’t make the decision to travel to Syria and the Middle East. And we’ve got an obligation to make sure that they’re safe,” Mr Minns said. “As it relates to the parents … it was a shocking thing to do to go and join what is the most repugnant, horrible, ideological, violent terrorist organisation, perhaps the world has ever seen.”Advocates have urged state and federal authorities to ensure the group’s human rights are respected, with Amnesty International spokesman Zaki Haidari saying it is essential regardless of “how difficult or sensitive” the situation may be. “These women and children were detained arbitrarily and they have a right to be treated with humanity and dignity,” Mr Haidari said.“In particular, these children were the victims and under international law, the interest of children is a primary consideration and they have a right to safety and a future.”But while the welfare of these children was a concern, opposition home affairs spokesman Jonno Duniam told Sky News the government could not “ignore a risk that may present in children that have either gone there very young, and grown up among the ISIS view of the world … or have been born there”. 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