According to section 1(3) of the occupier's liabiltiy act, what 3 things does the claimant need to prove to show that the D had a duty of care over them?
the occupier was aware of the danger or had reasonable grounds to believe that a threat exists
The occupier knows, or has reasonable grounds to believe, that trespassers (s) are in the vicinity of danger or are likely to be.
The risk is reasonable for the Occupier to protect against.