A 58-year-old NSW man has been charged with child-abuse offences after allegedly committing indecent acts against two children known to him in Macgregor.

Police allege the man committed multiple indecent acts against the children during separate incidents at a Macgregor home between January and September.

The incidents were reported to police on Sunday and officers arrested the man at a Macgregor residence on Monday.

The man, who was also subject to an arrest warrant, has been charged with two counts of committing an act of indecency on a person under 16 and one count of committing an act of indecency on a person under 10.

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