The United Nations - backed ceasefire was brokered by special envoy Kofi Annan .
The United Nations - backed ceasefire was declared in mid-April 2012 , but eventually met a similar fate , with unarmed UN peacekeepers ' movements tightly controlled by the government and fighting .
The United Nations - backed ceasefire was brokered by special envoy Kofi Annan and declared in mid-April 2012 , but eventually met a similar fate , with unarmed UN peacekeepers ' movements tightly controlled by the government and fighting .