A Foreign, Commonwealth and Development Office spokesperson told the PA news agency on Friday: "Our team in New Zealand have provided advice on bereavement abroad after one British person died and three others were seriously injured in Martinborough.
Police in New Zealand have issued an update following a fatal crash which killed one Briton and injured three others.
"New Zealand Police is working with the British High Commission in NZ on this matter, including with efforts to contact family members of the people affected.".
The owner of Indi Bikes Martinborough, Wayde Mines, told local news outlet Stuff his business hired the four-seater quadricycle to two couples.
In a statement on Saturday, a police spokesperson said: "At this time three people remain in hospital in a stable condition.