He says summit will be successful though he describes it as just the start of a process, and relations with North Korea were building - to use his word - and that this was very positive. The Pyongyang envoy delivered a letter from Kim Jong-un, which Mr Trump first described as ’ very interesting ’ but then said he hadn’t opened it. Also: the Kenyan president, Uhuru Kenyatta, has said that senior civil servants will have to take lie-detector tests as part of a crackdown on corruption, and an academic conference on the sport of skateboarding gets underway in London.