How does Hossin die in the Breadwinner?

In "The Breadwinner" by Deborah Ellis, Hossin, Parvana's younger brother, tragically dies due to the harsh realities of life under Taliban rule. He is gravely injured during a bombing while trying to escape the oppressive conditions in Afghanistan. His death serves as a poignant reminder of the dangers faced by children in conflict zones and highlights the impact of war on families.