Former Rwandan army chief Augustin Bizimungu has been sentenced to 30 years in prison for his role in the 1994 genocide.

The UN war crimes tribunal for Rwanda also convicted ex-paramilitary police chief Augustin Ndindiliyimana but released him for time already served.

Two other senior generals were each sentenced to 20 years in prison.

Some 800,000 ethnic Tutsis and moderate Hutus were killed in the 100-day genocide.

Bizimungu and Ndindiliyimana are two of the most senior figures to be sentenced by the International Criminal Tribunal for Rwanda (ICTR), established in Arusha in neighbouring Tanzania to try the ringleaders behind the killings....