The Italian prime minister announced the investigation on social media, saying, “I cannot be blackmailed.”

A conflict that has raged for decades reached a flashpoint this week when rebels backed by Rwanda marched on a key Congolese city in a bid to occupy territory and exploit minerals.

The militia seized the pivotal city of Goma, threatening a new humanitarian crisis in a region that has suffered decades of fighting.

Many blame the United States, France and other allies for allowing neighboring Rwanda to fuel a conflict in the country’s east.

One doctor is showing nurses, teachers and parents how to spot eye problems, many of which can be easily treated. Surgery, and even just glasses, can be life-changing, and keep kids in school.