Gaza's population is facing the “worst-case scenario of famine" and “widespread death” will occur without immediate action, the leading international authority on food crises has warned. Tuesday's ale

For months, humanitarian aid organizations and international bodies have warned that Gaza is facing "critical" levels of hunger and that famine is "imminent" in parts of the Gaza Strip. An increasing number of deaths due to malnutrition have also been reported and gut-wrenching images have emerged of suffering children and long food lines.

The world’s leading authority on hunger said that a ‘worst-case scenario of famine’ was developing in Gaza, though stopped short of a formal famine declaration. NBC News’ Matt Bradley reports.