CLEMENT UWIRINGIYIMANA A Rwandan appeals court upheld a 25-year jail sentence for Paul Rusesabagina, who was portrayed in the movie "Hotel Rwanda" sheltering hundreds of people during the 1994 genocide, rejecting a bid to extend it to life in prison. Rusesabagina, 67, was convicted in September on eight terrorism charges related to the activities of an organisation opposed to President Paul Kagame's rule, and is being held in a Rwandan prison. He has denied all the charges and refused to take part in the trial, which he and his supporters have denounced as a politically motivated sham. He was not…