Boris Johnson did not tell David Cameron about his announcement that he planned to run for Parliament in 2015, the London Mayor has revealed.
ITV News Deputy Political Editor Chris Ship is following developments.
Boris didn't tell Dave that he was going to announce this today. He's just been asked as much by @cathynewman
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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.