Prince Philip is "continuing to make good progress" following his hospital treatment, a source has said, and is very keen to carry out the engagement in Edinburgh.
The Duke has been an honorary fellow of the Royal Society of Edinburgh since 1951 - one of his oldest patronages - and has presented Royal Medals on several occasions.
More top news
The success of the No camp is mainly due to Tsipras convincing people a No vote will strengthen their hands in negotiations.
As we move into the weekend, expect things to get rather more unsettled weather-wise - thought it will stay hot and humid for some.
More than 80 prominent Britons, including Boris Johnson, Russell Brand and former Government ministers, urge Obama to release Aamer.