A journalist from German broadcaster Deutsche Welle says Angela Merkel has broken her pelvis in a skiiing accident.
GroKo is short for "grosse Koalition", a grand coaliton of the two large camps from centre-left and centre-right within German politics.
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Conservative Ben Bradley admitted his claims were 'wholly untrue and false', and pledged a 'significant' donation to charity.
Turning bitterly cold into next week with freezing temperatures by day and night
It comes as 22 charities signed an open letter vowing to improve safeguarding, and apologising for 'failures' in the sector.