As M23 rebels in eastern Democratic Republic of Congo advance towards Bukavu, tensions rise between regional armies. Rwanda-backed M23 faces Burundian troops, escalating risks of regional conflict.
M23 was once defeated but regrouped after a failed amnesty M23 has about 6,500 fighters, according to U.N. estimates. It emerged in 2012 as a rebel group led by Congolese ethnic Tutsis who said a ...