A man has been treated in hospital after falling 40 feet at a school building site in Londonderry.
The construction worker is thought to have fallen from the first floor.
The Western Health and Social Care Trust say the man remains in a stable condition in Altnagelvin Hospital.
Emergency crews were called to the new Foyle College site shortly after one o'clock yesterday afternoon.
The Health and Safety Executive has confirmed that it is investigating the incident.