A 15-YEAR-OLD boy arrested on suspicion of affray at a Bradford school has been released on bail pending further inquiries by police.

Police were called yesterday morning to a report of a pupil with a knife at Thornton Grammar School.

The incident is believed to have involved another boy from the same school, according to police.

No injuries have been reported.

Today a police spokesman said that the boy had been released on bail. Inquiries are continuing.