A major emergency response was launched at a Manchester school after a serious incident left three people injured and prompted a lockdown of the site.

Police, paramedics and other emergency services were deployed to the area surrounding Co-op Academy in Blackley following reports of an incident on school grounds. Witnesses reported seeing multiple emergency vehicles and a police helicopter operating overhead as authorities secured the scene.

According to early information, three individuals sustained injuries and were assessed by emergency responders. Police confirmed that a girl has been arrested in connection with the incident, while investigations continue to establish the full circumstances.

Parents expressed concern as the school was placed into lockdown during the emergency response. Officers worked with school staff to ensure the safety of pupils and employees while the situation was brought under control.

Authorities have urged the public to avoid speculation as inquiries remain ongoing. Further updates are expected as investigators gather additional information.