British Prime Minister Keir Starmer and French President Emmanuel Macron are focusing on stopping migrant crossings in the English Channel.

The two leaders are set to confirm details of a strengthened defense relationship at a summit Thursday. An agreement on tackling unauthorized migration may also be announced.

Britain and France will join together to use nuclear weapons against any “extreme threats” towards Europe, Sir Keir Starmer and Emmanuel Macron have declared. A newly-signed declaration by the leaders will state that the two countries’ nuclear deterrents are independent but can be co-ordinated in a joint attack on Europe’s enemies.

French President Emmanuel Macron has found himself in another awkward viral moment involving his wife and an airplane. A video clip showed his wife,

President Emmanuel Macron’s state visit to Britain, which began Tuesday, is heavy on pageantry. But both he and Prime Minister Keir Starmer hope for practical results.

L ONDON (AP) — French President Emmanuel Macron on Tuesday urged Britain to stick close to its neighbors despite its exit from the European Union, saying France and the U.K. will “save Europe” by standing for democracy, law and international order in a dangerous world.

The French president and PM Keir Starmer lay wreathes at the statue of Winston Churchill ahead of a state banquet in Windsor later.

British Prime Minister Keir Starmer will host French President Emmanuel Macron for lunch at Downing Street on the second day of a state visit on Wednesday, with the pair poised to discuss subjects like immigration and Ukraine.