By Mollie Quirk According to an expert, it is quite likely that Prince Harry will meet his father, King Charles III, next week. The Duke of Sussex is due to fly from California to London next week. Harry will be in the UK for an Invictus Games service at St Paul’s Cathedral on May 8. The event is to mark the 10th anniversary of the games that he founded in 2014. Harry is due to arrive in London on Tuesday and stay for three days, with him thought to be staying in a hotel after he was evicted from Frogmore Cottage and handed back the keys last June. It will be his second time in Britain this ye…