Doctors Without Borders' ship 'Geo Barents' tries to rescue 71 people from a rubber boat in distress in the central Mediterranean Sea. AFP / Medecins Sans Frontieres
Doctors Without Borders' ship 'Geo Barents' tries to rescue 71 people from a rubber boat in distress in the central Mediterranean Sea. AFP / Medecins Sans Frontieres

Nearly 1,000 migrants stranded in Mediterranean as NGOs urge nations to help