They were detained accused of a range of offences, from throwing stones to attempted murder.
Israel is preparing to release another 42 prisoners, with the country’s prisons service saying it has agreed to release three prisoners for every one hostage freed by Hamas.
Britain’s new foreign secretary, David Cameron, who met with Israeli and Palestinian leaders earlier this week, described the scenes of hostages being returned as a “huge relief”.
He added on X: “My thoughts are with all of those families who have been going through unimaginable trauma, especially those still waiting for their loved ones to come home.”
The pause in fighting is set to last until Monday, though Egyptian officials have suggested it could be extended for one or two days.
Diaa Rashwan, the head of the country’s state information service, said there were “positive signals” as talks with both sides continue.