Sadiq Khan has voiced his frustration over people talking London down as new figures show a record low in homicides. Data published today reveals the total number of killings dropped to a 14 year low - and reached the lowest level by population since records began. The London Mayor said: "Many people have been trying to talk London down, but the evidence tells a very different story. "Last year London had the lowest murder rate per capita since records began, the fewest murders of those aged