Prince Harry and Meghan Markle issued warning against going on another unofficial 'royal tour'
![Prince Harry and Meghan Markle issued warning against going on another unofficial 'royal tour'](https://i2-prod.mirror.co.uk/incoming/article32889970.ece/ALTERNATES/s615/0_HRROYAL.jpg)
The Duke and Duchess of Sussex, Prince Harry and Meghan Markle have been issued a stark warning against going on another unofficial 'royal tour', which comes off the back of their Nigeria trip