STANIS BUJAKERA POLICE in Congo's capital Kinshasa have fired tear gas to disperse around 100 protesters calling for the expulsion of the Rwandan ambassador they accuse of denying a massacre during the 1998-2003 Congo war. Two people were seriously injured, one of whom was in critical condition, after inhaling tear gas and being beaten by police, said Carbone Beni from the campaign group Filimbi, which organised the protest. Kinshasa's police chief Sylvano Kasongo confirmed some protesters were hurt, but said injuries were not serious. The city's governor had not authorised the demonstration, he said. The protest was broken up before…