Prince Harry 'needs to give King Charles cast-iron guarantees before coming back'
![Prince Harry 'needs to give King Charles cast-iron guarantees before coming back'](https://i2-prod.mirror.co.uk/incoming/article33054064.ece/ALTERNATES/s615/0_SOCIAL-charles.jpg)
Prince Harry has a lot of work to do if he wants to rekindle his relationship with his family in the UK including giving his father some strong guarantees, a royal expert says