08/02/2017 7:09 AM AEDT | Updated 08/02/2017 9:53 AM AEDT

Two NSW Teens To Be Charged For Plotting Terrorist Attack, Face Life In Prison

The pair, 19, were arrested last year.

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The two 19-year-olds have been in custody since last year.

Police intend to charge two teenagers with planning a terrorist attack, as part of an extensive investigation by the NSW Joint Counter Terrorism Team.

NSW Police announced the man and woman, both aged 19, have been in custody since early last year and will face Central Local Court on Wednesday.

The pair will be charged with conspiring and planning a terrorist act. They face life in prison.

According to Fairfax Media, the two teens are married and were arrested in Sydney's west early last year.

At the time of their arrest, the man was charged with three counts of collecting terror-related documents while the woman was charged with collecting terror-related documents and recklessly possessing an undisclosed "thing" connected to a terrorist act.

The charges, which carry a penalty of life imprisonment, will be laid following an ongoing investigation by the NSW Joint Counter Terrorism Team and Commonwealth DPP called Operation Chillon.