GP warns of suicide risk for identical twins in driving case
According to the Crown facts, Sarah Elena Hay, 38, was seen driving erratically and mounting the kerb twice before she suddenly swerved across two lanes of traffic towards a parked van.
Mr Robson was putting a sign up on the back of the van and Hay's car pinned him to the vehicle as she crashed into it.
His crushed left arm had to be amputated above the elbow.
At Hay's sentencing hearing on Thursday in the Downing Centre District Court, Dr Catherine Brassill said Hay suffered from bipolar disorder, as did her twin Elizabeth.
The GP said some of Hay's medication can make a person much less