One of four Sydney teenagers accused of planning a terrorist attack allegedly suggested targeting Jewish community members in a group chat, a court has heard.

Romany's mum Rachel was murdered on Christmas Day three years ago — she has told attendees at one of the many vigils held around Australia for victims of male violence the thought of others going through the same thing is almost too much to bear.

Romany's mum Rachel was murdered on Christmas Day three years ago — she has told attendees at one of the many vigils held around Australia for victims of male violence the thought of others going through the same thing is almost too much to bear.

While the ABC has been unable to independently verify the allegations, a university spokesperson confirmed they are investigating the claims.

While the ABC has been unable to independently verify the allegations, a university spokesperson confirmed they are investigating the claims.