NSW terror arrests: what we know

FINANCING TERROR ARRESTS:

* Two arrested for financing terrorism - a 20-year-old man and a 16-year-old girl.

* Both arrested at same house in Guilford on Tuesday morning.

* Both expected to be charged with offences relating to sending money to an overseas terrorist organisation.

* The maximum sentence for this offence is 25 years imprisonment.

* Police allege they were obtaining funds to send to Islamic State.

* The Sydney schoolgirl was not known to police.

* The man's house was previously raided under Operation Appleby and he's the 14th operation target to be arrested.

* The pair are not related and are not believed to be in a relationship.