WHEATON, IL — For the second time in one week, tornado sirens were activated in error in some DuPage County municipalities.
According to the City of Wheaton, the outdoor warning sirens went off just before 10 a.m. Friday due to an error from DU-COMM. The sirens also went off in error on Tuesday around 3 a.m.
After Tuesday's incidnet, officials said the sirens had accidentally been activated during a test.
On Friday, Wheaton officials said, DU-COMM is investigating the incident and regrets the error.
This is a developing story; check back for updates.
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