The Australian Federal Police allege the woman travelled to Syria in 2015 to join her husband, who had earlier left Australia and joined Islamic State (ISIS).

The women, aged 53 and 31, were arrested by the Victorian Joint Counter Terrorism Team after arriving at Melbourne Airport.

Children returning to Australia would undergo community integration, therapeutic support and countering violent extremism programs.

Both drivers, the Audi driver and an 18-year-old man driving the Mercedes, were taken to the hospital for mandatory testing before being arrested and taken to Sutherland Police Station.

Investigators claim the man is unlawfully residing in Australia and submitted fraudulent documents as part of ongoing attempts to secure permanent residency.

Authorities estimate the drugs could have been sold as more than 1.1 million individual street deals, preventing more than $57 million from reaching criminal networks.

Police allege that in April, the student sent a series of harassing emails to a university professor and another staff member.

It also noted that inflation had already been too high before the Middle East conflict pushed global energy prices higher.

NSW Police allege two more children — both girls aged three and four — were assaulted in a separate incident.

The man faces a maximum penalty of three months’ imprisonment or a $2,000 fine for each damage charge, and up to a $1,000 fine for offensive behaviour.