Phillip Sherriff's widow Jane tells London Tonight's Ronke Phillips it was really hard sitting through the Ashley Charles court case. She said she experienced a "roller coaster of emotions".
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The property developer painted the mews house in March last year after she was denied permission for a basement below the property.
Profits at the estate agent plummeted 42% in the first half of the year.
Ionut Gheorghe, 27, was detained in Los Molinos near Madrid on Friday by Spanish police under a European Arrest Warrant.