Haitham Salem spent 11 months held by Israel without charge and said he endured beatings and abuse. He was released as part of the cease-fire deal, longing to return to his family.
The King and Queen attend a church service alongside other family members, including Andrew Mountbatten-Windsor's daughters Princesses Beatrice and Eugenie.
The family of a police officer who was shot in the head during a Hanukkah celebration on Australia's Bondi Beach are hailing his return home as "a miracle."