A man has been charged over two alleged sexual offences on trains - one reportedly on the Wyee to Fassifern service - earlier this year.
Police arrested the 53-year-old at a home in the Sydney suburb of Glebe at midday on Tuesday.
Investigators allege the man performed sexual acts in front of rail passengers on two occasions - first on the Hornsby to Strathfield service at about 5pm on April 25 and then on the Wyee to Fassifern service at about 2.30pm on June 22.
Read more: Police and court news
Following inquiries by police attached to Operation Artemis, the man was taken to Newtown police station and charged with two counts of committing a sexual act without consent.
He was refused bail to face Newtown local court.
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