Khartoum's yellow taxi, once a famous transportation landmark of the Sudanese capital, is struggling to survive amid a crushing economic crisis and political instability in the country.

Around 500 migrants on board a rusty fishing vessel adrift in the Mediterranean Sea have been successfully towed to port. The Hellenic Coast Guard says a major rescue operation was launched following a distress call.

Four people, including a 2-month-old infant, survived after a helicopter they were travelling in crashed outside a church in West Philadelphia on Tuesday.

Dozens of children live and work in sweltering heat in the Mindoube landfill in the Gabonese capital Libreville, searching for copper or aluminium items they can then resell. In Gabon, one of Africa's largest oil producers and one of the richest per capita in the region, one-third of the population lived below the poverty line in 2017, says the World Bank. "There are a lot of children here who...spend all their time in the landfill," says an activist.

Tens of thousands of people from Central African Republic have fled violence that followed a December election to neighboring countries. The United Nations says conditions are "very bad" for many living in remote areas.

For about 60 years, Cuba has been sending healthcare professionals around the world. This is done in solidarity with those in need, but also as part of a concerted campaign of medical diplomacy and to make money to help the country survive an ongoing US embargo.