Meghan Markle

The 32-year-old Royal visited Guyana Saturday for the final leg of his Caribbean tour. On Friday, Harry left Barbados and headed to the South American mainland, where he laid a wreath at the Guyana Independence Arch in Georgetown. On Saturday, he met dancers in Sumara Village in the Guyana Hinterland, They presented him with a red, white and blue headdress—the colors of the British flag.

The statement said the couple were "a few months into a relationship" and it was "not right" that Ms Markle should be subjected to such treatment.

It said the prince rarely took formal action over "fictional stories".

"But the past week has seen a line crossed," it added.

In recent days a number of newspapers have carried front page stories about the actress, best known for playing Rachel Zane in the TV drama Suits.

'Substantial bribes'

While many now know the Suits star as Prince Harry's new girlfriend, the actress was once just an ordinary student attending Immaculate Heart High School in Los Angeles.

Many royal family watchers started their Sunday with a new report claiming Prince Harry is dating actress Meghan Markle.