The significance: French President Emmanuel Macron is the first European leader to attend a state visit to the UK since Charles III was crowned, and since the UK left the EU. The visit involves ceremony, as well as politics, with the UK prime minister expected to meet Macron.

King Charles III highlighted the crucial bonds between the United Kingdom and France in the face of a “multitude of more complex threats,” as he welcomed President Emmanuel Macron for the first state visit by a European leader to his country since Brexit.

President Emmanuel Macron is on a state visit to Britain, the first of a French leader since 2008. His hosts are drenching him in pomp, pizazz and protocol.

French President Emmanuel Macron arrived in London on Tuesday at the start of a three-day state visit to the United Kingdom. This is a photo gallery curated by AP photo editors.

French President Emmanuel Macron's state visit to Britain turned to politics Wednesday as London is expected to press Paris for new measures to curb undocumented immigration.The number of migrants arriving on England's southern coast via small boats from northern France is a major political issue for Labour Prime Minister Keir Starmer.