A former rental car company manager backing a petition to introduce testing for overseas drivers says the worst case he had seen was a driver who signed a contract, got in a car and drove it straight into another car in the company's car park.
Queenstown man Nick Gregory is, as of yesterday, one of more than 27,000 people who signed the petition started by Geraldine boy Sean Roberts, that is quickly attracting support.
Read: Tourist drivers: the truth about crashes
And, he said on his post on the petition site, the responsibility of handing keys to tourists ''who, time after time, end up killing themselves and taking out New Zealanders in the process'' was one reason he left the industry.
Grant Roberts, father of 10-year-old Sean, died in 2012 after a Chinese woman described by police as having ''negligible independent driving experience'' lost control of her vehicle and hit his motorcycle.