The Grangemouth Ineos petrochemicals plant has evacuated workers after a gas leak.
Around 1200 people work at the refinery have been removed from the plant following safety fears following an incident that happened at around 12:15pm.
Emergency services are attending a “major incident” at the plant which is now in lock down.
Members of the public and school pupils are being advised to stay inside following the incident. Pupils are being kept in over lunch as a precaution.
Plant operators Ineos confirmed an ongoing incident is taking place.
All emergency services, local authority and partners are in attendance.
A number of access roads in Grangemouth area are closed and drivers are asked to avoid the area and find alternative routes. Further information will be issued to media and via @FalkirkPolice when available.
Police Scotland has stated it is dealing with an emergency incidents and a text alert has been sent out to schools.
According to reports, the text alert read: “Major incident at INEOS, Police Scotland advise as precaution to keep all pupils in school over lunchtime. Will update asap.”
Road around the area have been closed.