D1’s car broke down – she negligently
failed to remove it from highway.
D2’s lorry stuck car, came to rest in opposite
carriageway due to reckless way D2 driving when he hit car.
P1 injured (D1’s passenger)
P2 and P3 injured by colliding with lorry
in opposite carriageway.
D1 liable to P1 but not P2 and P3.
Chain of causation broken by D2’s reckless