He noted the continuing insecurity , the political and military volatility , mounting ethnic intolerance and the fragility of the transition process . The visit coincided with the temporary withdrawal of the Rassemblement congolais pour la démocratie based in Goma ( RCD-Goma ) from the transition process ( from 23 August to 1 September ) following the crisis in Bukavu in May-June and the massacre of 152 Banyamulenge in Gatumba , Burundi .