The respondent was injured when he was attacked at about 1.00 a.m. by an intruder in the carpark provided by his employer. The carpark was in the open air, enclosed by perimeter fencing topped with barbed wire. There was security lighting and an automatically activated floodlight. There was a lock on the gate to which each employee had a key. There was a sign on the fence near the gate “Keep Gate Locked At All Times”. The gate was often left unlocked.