Teenager pleads guilty to planning terrorist bombing targeting Opera House and Sydney marathon

Boy, 16, testifies he was radicalised on TikTok before connecting to extremists on Telegram

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A school student has testified about falling down a social media rabbit hole that led him to planning to bomb the Sydney Opera House in a terrorist attack.

The 16-year-old boy, who cannot be identified for legal reasons, has pleaded guilty to planning a terrorist act over the course of more than a month in 2024.