Two boys aged 12 and 13 were stabbed at Kingsbury High School in north-west London.
A 13-year-old boy has been arrested on suspicion of attempted murder, as Metropolitan Police said the investigation into the stabbing of two other boys, aged 12 and 13, at a school, was being led by counter terrorism police.
Police were called to Kingsbury High School, Brent, north-west London, at 12.40pm on Tuesday, to reports that a 13-year-old boy was stabbed.
Officers found a 12-year-old boy had also been stabbed.
Speaking at the school on Tuesday, Detective Chief Superintendent Luke Williams said the investigation was being led by counter terrorism police, making clear that it has not been declared a terrorist incident.
He said: “The suspect, who we believe to be 13, left the scene following the stabbing.
“After urgent inquiries, our officers arrested him and also recovered a weapon which we believe to have been used in the stabbing.
“The suspect was arrested on suspicion of attempted murder and remains in custody for questioning by our officers.”
