An incident that occurred at a Sydney high school in Concord has left seven people being assessed by professionals.

The incident at Concord High School happened just after 10am Tuesday morning, with people experiencing dizziness and minor respiratory difficulties.

7 children are currently being assessed for chemical exposure following an incident at Concord High School at Stanley St, Concord. The incident occurred at 10.15am this morning. 6 @NSWAmbulance units are responding to the incident. #Concord #7News pic.twitter.com/AdMnZQX8E9

— 7 News Sydney (@7NewsSydney) November 21, 2017

The incident is reportedly said to have occurred following a ‘science experiment gone wrong’, according to Channel Nine.

Six NSW ambulances are currently responding to the incident.

More as we get it…