Violence in South Kivu Undermines Peace Deal
Clashes between Congolese army and Wazalendo militia over movement orders.
Residents fled to Burundi and east of Sange amid violence.
Congolese President Tshisekedi accused Rwanda of violating peace deal.
Over 100 armed groups, including M23, fuel conflict displacing 7 million.
FARDC soldiers shot dead near Sange after disputed orders.