Mourners packed the California Islamic Center in Lodi for Abdullah Hassan's funeral Saturday.
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The boy suffered from a rare brain disorder.
He passed away at Children's Hospital in Oakland.
His mother was granted a waiver to travel from Yemen to Oakland to see her dying son last week.
RELATED: Family pleads for waiver to allow Yemeni mom to visit dying 2-year-old at UCSF Benioff Children's Hospital Oakland