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If you passed a school bus with it's lights flashing in Niagara, you can expect a warning letter in the mail over the next couple of days.
The NRP sent out a handful of notices yesterday, to drivers who were caught on camera illegally passing school buses.
Police say the warning period will expire at the end of the month and drivers could face a $490 if they're convicted.
Niagara Student Transportation Services started installing cameras on it's school buses late last year.