Twin Lakes in lockdown, OPP on scene investigating threat

UPDATE #1 - Opp officers on scene say they are investigating a threat. School in lockdown, ERT and K-9 inside. Everyone is said to be unharmed.

This is a tweet from a student inside the school:

BREAKING NEWS: Major police presence at Twin Lakes Secondary School in Orillia this morning. Police have surrounded the school - fire and paramedic services are on standby on Old Barrie Road. No other details are yet available. Stay tuned for more on this developing story.

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