Campaigners opposing the event had put up posters saying it was an "abuse of our tranquil locality" and warning visitors that they may be "at risk as they go about their daily lives".
But there are a number of contests in which incumbents could be at risk, as well as several competitive races for open seats.
If the company's app is instructing people to violate local laws in one city, he said, riders in other cities could be at risk as well.
If you think the organisation you work for is likely to lay people off it is no good trying to beat the rush by applying for a similar job elsewhere; that is likely to be at risk as well.
"If it's truly a [Clinton] landslide, even the House may be at risk as well," former Bob Dole spokesman Andrew Weinstein, a vocal anti-Trump Republican who helped organise the petition, told MSNBC last week.
"After this, more than 300 scholars, lawyers and officials who proposed the blueprint for improving the political system might be at risk as well, as nearly 10,000 signatories".
A report by consultants Oliver Wyman for TheCityUK lobby group warned that up to 35,000 jobs could be at risk as well as up to £5bn of annual tax revenue in the event of a hard Brexit under which the UK is left without access to the single market.
When did you find out that another wheel could be at risk as well?
Seven legal executives and experts from Forbes Legal Council weigh in on less obvious times you could be at risk, as well as which type of attorney you might require for your unique situation.
If your child is shy, socially avoidant and anxious, they may be at risk as may those who may be depressed, have family or school problems or who are being bullied.
