Prince William approached journalists from the Guardian and said: “Why don’t you put your notebook down and give us a hand with the sandbags?”
William and Harry were spotted along with Prince Harry helping move sandbags in flood-hit Datchet.
However after reporters agreed to help, aides intervened and said it would not be possible due to a lack of appropriate clothing.
More top news
Team Sky's Chris Froome is set to win the 2016 Tour de France with an overall lead of four minutes 11 seconds after stage 20 to Morzine
The attempted kidnap of an RAF serviceman took place near RAF Marham, in Norfolk, on Wednesday.
Footballer Marc Crosas faces an investigation after pictures emerged of him appearing to have speared an endangered baby shark