Actor Don Cheadle is appointed as Goodwill Ambassador for the United Nations environment agency during a ceremony in Rwanda to mark World Environment Day.
A Rwandan United Nations peacekeeper was killed and two others wounded in an ambush on a convoy in Nana-Mambéré, Central African Republic.
A court in France orders Rwandan genocide suspect Félicien Kabuga to be handed over to a United Nations tribunal for trial. Kabuga's lawyers said that their client would not receive a fair trial at a UN tribunal and that his health was too fragile to be transferred amidst the pandemic. However, French justice said his transfer is "not incompatible" with the decision.
A United Nations expert panel reports that although the two governments deny it, Rwanda and Uganda continue to support the March 23 Movement.
The Democratic Republic of the Congo wants United Nations sanctions on Rwandese top military officials named in a June U.N. report as supporting the M23 rebels in the current east Congo conflict.
Rwanda threatens to limit cooperation with the United Nations after a report accused the country of war crimes in neighbouring Democratic Republic of the Congo.
A draft United Nations report says crimes by the Rwandan army and allied rebels in Democratic Republic of the Congo during the Second Congo War could be classified as genocide.
Uganda's government defends the forced repatriation of 1,700 Rwandan refugees, deemed "heavy-handed" by the United Nations; two people are killed in a group alleged to be a security risk following the July 2010 Kampala attacks.
Jwani Mwaikusa, a senior Tanzanian defence lawyer at the United Nations-backed tribunal for Rwanda, is fatally shot outside his home in Dar es Salaam. His nephew and neighbour are also killed.
Craig David is named as a United Nations Goodwill Ambassador.
Rwanda, the East African country that is embracing a transition to a Green economy, will be the global host of World Environment Day on 5 June 2010.