Barack Obama has arrived in Wales for the Nato summit, the first US president in office to visit the country. The Marine One helicopter carrying the US president dropped down into the Celtic Manor Resort in Newport shortly after 19:30 BST. Earlier, he flew into RAF Fairford in Gloucestershire on Air Force One following a visit to Estonia. David Cameron is also in Wales and about 60 world leaders will join them for the summit starting on Thursday. Organisers have said the event will put Wales “on the world stage”. Image copyright AFP/Getty Image caption The president’s Marine One helicopter touching down in Wales for the historic summit President Obama’s helicopter landed on the Celtic Manor Resort golf course and he was expected to stay in Newport overnight. Speaking in Newport on the eve of the summit, Mr Cameron was asked how he squared the positivity surrounding the event with his recent criticism of public services, including the health service, in Wales. Mr Cameron defended his attacks on the Welsh NHS, claiming his criticism of its failure to meet cancer and 999 waiting time targets were justified. He also said a deal on who would pay for rail electrification in Wales was close and, with reference to further devolution, said he had given the people of Wales the opportunity to have their say when they had asked for more choices on extra powers. With final preparations now complete at the Celtic Manor Resort, its chief operating officer, Ian Edwards, said…more detail