The Duchess of Cambridge arrived in Cardiff this morning on the latest leg of her project to help the early years development of children.

Kate’s appearance in the Welsh capital came hours after the Duchess of Sussex made a surprise post on social media.

The mother of three attended the Ely and Careau Children’s Centre as part of her 24-hour tour of the country to launch ‘5 big questions on the under 5s’.

Meghan, 38, earlier posted on her SussexRoyal Instagram account a picture of herself at a dog rescue centre.

Earlier this month The Duchess of Sussex met staff and animals at Mayhew, in Kensal Green, north-west London.

The two-picture post shows the Duchess at the rescue centre, and stroking a dog with a collar.

It is not clear when the visit took place, but Meghan was in the UK with her husband, the Duke of Sussex, in the second week of January when they carried out a number of engagements following their Christmas break in Canada

Daily Express Royal Correspondent Richard Palmer wrote on Twitter: “Wow, what unfortunate timing that once again, just as a senior member of the Royal Family was heralding an important initiative, the Sussex Royal Instagram account kicked into life with some PR pictures at the very same moment.”

One user wrote: “Is it unfortunate or deliberate? I think it is the latter.

Another said: “Meghan’s stunts are getting to be infuriating”.

This is a developing news story, more to follow.