Boris Johnson bowed his head during a wreath laying ceremony at the Kigali Genocide Memorial, where the remains of an estimated 250,000 people are buried. The prime minister also wrote a lengthy message in the visitors' book before pausing at the flame of remembrance marking 28 years since the 100 days that saw Hutu extremists claim the lives of around 800,000 Tutsi and moderate Hutus. Report by Blairm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn