JORDAN MAYENIKINI ABOUT 70 Congolese children who have been unable to find their families four days after a deadly volcanic eruption could be at risk of kidnap and child labour, emergency responders have said. The United Nations said 31 people have died, 40 are missing and 20,000 fled their homes when Mount Nyiragongo, one of the world's most active and dangerous volcanoes, erupted on Saturday near Goma in the eastern Democratic Republic of Congo. The U.N. children's agency UNICEF said 561 children were separated from their families as they ran - out of which 487 have been reunited and 74…