Three women and a 14-year-old have been injured following a disturbance at a high school in Renfrewshire involving a former pupil.
Police were called to Johnstone High School at around 10.45am on Friday after receiving reports of a disturbance.
Three women – aged 59, 48, 34 – and a 14-year-old girl sustained minor injuries following the incident.
The three women were taken to Royal Alexandra Hospital in Paisley.
Their current condition is unknown.
A 16-year-old girl has been traced in connection with the incident and officers confirmed enquiries remain ongoing.
A Police Scotland spokesperson said: “Around 10.45am on Friday, May 12, police received a report of a disturbance at a school in the Johnstone area of Renfrewshire.
“Officers attended and four females aged 59, 48, 34 and 14 years were found to have sustained minor injuries as a result of the incident.
“The three woman aged 59, 48 and 34 years were taken to the Royal Alexandra Hospital in Paisley to be checked over.
“A 16-year-old girl has been traced in connection with the incident and enquiries are ongoing. Police are not looking for anyone else in connection with the incident.”
A Renfrewshire Council spokesman said the incident involved a former pupil.
He added: “The school continued to operate as normal and senior staff are providing any support needed to staff and pupils impacted by this incident.”