Relatives of Kate and Gerry McCann are expected to give evidence at the libel trial of Portuguese police chief Goncalo Amaral.
Mr McCann's cousin Michael Wright is expected to be among those giving evidence relating to the "damage" caused by Mr Amaral's book.
Private investigator Dave Edgar, who assisted with the search for the missing child, is also part of proceedings.
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Face to face with 2 tons of unpredictable muscle is an awe-inspiring moment but within a few years it will be impossible, they will be gone.