[oscillon]

What happened here? An empty desk shown with the correct related image for the upcoming story behind it. Something to do with the rehearsals perhaps?

IIRC it was mentioned here or on the old forums that even though there's no regular London presenter someone would carry on with the bulletin from Studio C if the connection with Singapore drops because Newsday and WNA are treated as outside broadcasts. Don't know if that'll be the case after April.

Previously, IIRC, it was the job of the Papers presenter for early editions of Newsday, and 2am presenter for the later one. However, I'm not sure who takes care of the early Newsday editions since they axed the Papers and the whole NC evening shift.
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Overnights again come from Studio E, despite OS and The Context apparently coming from Studio C (although no wide shots were shown so thoeretically could have been A or some other studio, I guess. However, metallic handrail behind Christian kind of gives it away that this was Studio C, after all.) News ticker on the NC is UK-specific this night.