Official figures in aftermath of flash floods don't always add up

There has been a steady stream of information from authorities since flash floods devastated parts of Nepal and Tibet on Wednesday. But in Nepal, where we are able to gather the most information, there have been conflicting reports. The number of casualties and people missing following the flash floods has been updated several times, and differing numbers have been reported by the Nepalese police and the country's national disaster authority. As efforts to rescue survivors, search for the missin