The Prime Minister joked about the infamous "selfie" he featured in alongside US President Obama and Danish Prime Minister Helle Thorning-Schmidt today.
During Prime Minister's Questions, MP Martin Horwood referred to the photo - which has been widely covered in the international press - in a question about roaming charges.
The Prime Minister said it was "only polite" to oblige a request from a "member of the Kinnock family" - referring to the fact that the Danish leader is daughter-in-law to the former Labour politician Neil Kinnock.
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The Prince and Princess are being treated to a petting zoo and a puppet show along with the children of local military families.