Not far from the Algerian border, the infant gave up its fight for life under the punishing Saharan sun.
“The mother, she is a friend of mine. Her baby passed away in the desert,” said Thomas Howard, a painter and decorator from the west African state of Liberia.
Mr Howard and his friend had migrated north to Algeria looking for work but were rounded up, beaten and robbed by Algerian security forces before being put in a truck, driven back south and dumped in the desert.
They were told to start walking south through the dunes as their captors drove away.
Since September 2017, Algeria has left more than 10,000 people at its southern border, leaving them to trek for hours without food or water...