The board of education in Machida, Tokyo, has reversed a decision by the city to exclude students at a pro-North Korean school from receiving personal safety alarms because of Tokyo's tense political relationship with Pyongyang.

On Monday, the first day of the new school year, the board sent alarms to the Nishi-Tokyo Korean Second Elementary and Junior High School after waves of protest messages were sent to the board and Machida City Hall.

The board has not offered any apology or explanation for its action despite criticism that its initial refusal to provide the alarms could constitute a human rights violation.