Police in Sendai, Miyagi Prefecture, said Friday that the Miyagi Board of Education received a threatening note in the mail on Wednesday, in which the writer promised to kill a number of children if the staff at an elementary school did not cancel this year's "bonenkai" (end-of-year party).

According to police, the writer of the note threatened to target children on their way to school sometime after Friday morning. TBS reported that police and parents were on the streets frequented by children who walk to school, but there were no incidents.

The board of education said the school decided to cancel the "bonenkai" so as not to take any chances, TBS reported.

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