The UK’s new defence secretary pledged on Sunday to deliver more artillery guns, ammunition, and missiles to Ukraine, stressing London’s ongoing support for Kyiv during a visit to the southern city of Odesa. John Healey, appointed defence secretary Friday by new British Prime Minister Keir Starmer, was visiting the port city, a frequent target of Russian missile and drone strikes, on his first international trip. “There may have been a change in government, but the UK is united for Ukraine,” Healey said, according to a statement published by Britain’s defence ministry. Healey pledged a new pac…