Will troops from Southern Africa be effective in DRC?

Troops from the Southern African Development Community (Sadc), that includes Malawi, South Africa and Tanzania, have been deployed to eastern Democratic Republic of Congo to fight the M23 and other armed groups. They have replaced the UN mission Monusco and an east African force that was deemed to be ineffective. Can Sadc succeed in reducing instability in the region?Thousands of unaccompanied children were among record numbers of irregular migrants who arrived in Spain last year. Amnesty International in Spain says the authorities there are overwhelmed.And nine months on from the outbreak of hostilities between rival military factions in Sudan, what is life like for ordinary citizens? We hear from one resident in the capital, Khartoum.