A violent stabbing incident at Co‑op Academy Blackley in Manchester has left three pupils injured and prompted a full school lockdown this morning after a teenage girl was arrested at the scene. Greater Manchester Police (GMP) confirmed they are currently responding to the unfolding situation at the school on Plant Hill Road in north Manchester.

Emergency services including police, ambulance crews and a helicopter are at the scene as families and students await updates. GMP has stressed there is no believed wider threat to students and staff and that the injured individuals’ injuries are not thought to be serious at this time.

What Happened:Timeline Of Events

According to local authorities and eyewitness reports:

  • The incident occurred this morning inside or near the Co‑op Academy Blackley school grounds.
  • Staff and pupils were immediately placed into lockdown as the situation unfolded and emergency services were called.
  • Police confirmed that three people were stabbed, and a girl has been arrested in connection with the incident.
  • Emergency crews attended quickly, treating the injured and securing the area. Images from the scene show a heavy emergency services presence, with police officers and medical teams outside the school gates.

The school has remained under lockdown while officers conduct enquiries and ensure the safety of students and staff.

Injuries, Arrest & Police Statements

Greater Manchester Police said in a statement that the three injured individuals suffered injuries consistent with a knife attack, but at this stage they believe the wounds are not life‑threatening.

A teenage girl believed to be a pupil was arrested at the scene in connection with the stabbings, and she is currently in police custody. Police have not disclosed her age or further details but confirmed that there is no ongoing risk to other pupils or staff at the school.

Officers urged anyone with information or footage related to the incident to come forward and said they are working closely with the academy to support students and families.

School Response & Parent Concerns

Parents and guardians received notifications about the lockdown and incident, and many have gathered outside the school awaiting news on their children’s safety. School leaders and police officials are communicating updates and providing support, with counsellors expected to be available to affected students.

Students inside the school were reportedly instructed to stay in safe areas until police cleared the lockdown.

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Safety & Wider Context: Knife Crime in UK Schools

While stabbings in UK schools are rare, any such incident quickly draws intense attention and concern. Similar events in recent years have shown the psychological impact on students, families and communities even when injuries are not life‑threatening. Police and education leaders generally emphasise preventative safety measures and rapid response protocols when such incidents occur.

Greater Manchester Police have repeatedly stressed that carrying knives or weapons in and around schools is illegal and dangerous, and they continue efforts to reduce knife crime through community engagement and targeted operations.

What Happens Next: Investigation & Support

Police continue to investigate the circumstances that led to the stabbings. Officers will interview witnesses, review CCTV footage and work with school officials to reconstruct the sequence of events. Families of the injured are being kept informed as treatment continues.

School lockdowns typically remain in force until officers are confident the immediate threat has been managed, after which parents and guardians are reunited with their children.