A man who thought he was meeting with a teenage boy for sex last night has instead been charged with online child exploitation offences.
Police swooped on the 56 year old man at Parramatta train station during peak-hour before leading him away.
Officers will alleged the man believed he was speaking to a 14 year old boy online, engaging in sexually explicit conversations.
Instead he was chatting with undercover police when he arranged to meet for sex.
He has been refused bail and is set to appear in court today.