The prosecutor is questioning the lead investigator Hilton Botha again and is urging him to "be calm and focus" as he gives evidence.
There are then more gasps from Pistorius' family as Botha struggles to answer questions. Two female relatives glance to each other and smile.
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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.