POLICE were called to Bathgate Academy after a child was reportedly threatened with a mallet in the playground.
It is understood four youngsters, who were not pupils at the school, are under investigation over the incident at around 1.20pm on Tuesday.
No-one was hurt.
A police spokeswoman said: ““Police in were called following a report of threatening behaviour in the grounds of Bathgate Academy.
“No one was injured and four youths, who are not pupils at the school, were returned to their nearby residence.
“Enquiries are currently ongoing between local officers, including our dedicated School Liaison Officer, and partners to establish the full circumstances surrounding this.”