Sources:

Hamas to release 13 Israelis, 7 foreigners for 39 Palestinians after hours-long delay, mediators say

Israel-Hamas war live updates: Release of second group of hostages back on

Second group of Hamas-held hostages released after hours-long delay; Gaza cease-fire holds

Hamas releases more Israeli, foreign hostages on second day of Gaza truce | Reuters

How the hostage deal came about: Negotiations stumbled, but persistence finally won out

Hamas releases third group of hostages as part of truce and says it will seek to extend the deal