Mahmoud al - Hassan buried Friday after his death in Dubai on July 20 . Hamas claimed al - Mabhouh was tortured , asking Israel for death . Official in Gaza told CNN that al - Mabhouh died of natural causes .
Mahmoud al-Mabhouh buried Friday after his death in Dubai on January 20 . Hamas says al-Mabhouh was assassinated , blames Israel for death . Official in Dubai told CNN that al-Mabhouh died of natural causes .