The US Treasury Department said it had designated the country's minister for regional integration James Kabarebe, accusing him of being "central" to Rwanda's support for the M23.
In the Democratic Republic of the Congo, Rwanda-backed M23 fighters are marching on the eastern city of Uvira near the border ...
Over the past two years, the Kivus and Ituri regions have witnessed increased violence due to a military campaign by the M23.