First Minister Alex Salmond said: "If you have someone who actually said this morning in an interview - accused a BBC interviewer of showing the same, as he put it, hate towards him as people in Edinburgh yesterday, then you're dealing with someone who is outwith the context of normal politics.
"So, yes, we'll have our political debate and discourse in a proper way in Scotland. We can frankly do without UKIP, who dislike everybody and know absolutely nothing about Scotland."
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A 61-year-old woman was taken to hospital with head injuries after the incident in Islington, north London.
Counting will begin on Saturday morning, with the result expected later in the day.
There have been a number of incidents involving heavy goods vehicles getting stuck and causing disruption in recent months.