The 29-year-old asked the families she was traveling with for help, but they continued on their way. Then she had to make a choice no parent should have to make. Yusuf left her 4-year-old behind.
Now at a refugee camp in Kenya, Yusuf says she is reliving the pain of abandoning her son.
Parents fleeing Somalia's devastating famine are having to make unimaginably cruel choices: Which children have the best chance to survive when food and water run low? Who should be left behind?
The U.S. estimates that more than 29,000 Somali children under age 5 have died in the country's famine the last three months.