Belgium, Rwanda’s former colonial ruler, pushed for the European Union to impose sanction against Rwandan officials over their role in invading eastern Congo and plundering its mineral wealth.

Rwanda has cut diplomatic ties with Belgium, saying it has been "consistently undermined" by the European nation during the ongoing conflict in the Democratic Republic of Congo.Brussels has been leading calls for European nations to sanction Rwanda over its support for the M23,

Belgium and Rwanda announced the expulsion of each other's diplomats, as relations deteriorated over allegations about their respective roles in the conflict in eastern Democratic Republic of Congo. Kigali said it was severing diplomatic relations and giving Belgian diplomats 48 hours to leave the East African country,