New details and growing shock over emaciated hostages renewed pressure Sunday on Israeli Prime Minister Benjamin Netanyahu to extend a fragile Gaza ceasefire beyond the first phase ending three weeks from now.

Eight hostages held by Hamas militants are returned to Israel as Palestinian prisoner releases proceed — but can the Gaza cease-fire hold?

Hamas-led militants released three gaunt, frail-looking Israeli hostages and Israel freed nearly 200 Palestinian prisoners Saturday in the latest exchange of a ceasefire that has paused 16 months of war in Gaza.

Hamas-led militants have released three gaunt, frail-looking Israeli civilian men held for the past 16 months and Israel freed 183 Palestinian prisoners as part of a fragile agreement that has paused the war in the Gaza Strip.

The fragile ceasefire's first phase is set to end in three weeks, but Israel and Hamas appear to have made little progress.

Talks on the second phase, meant to see more hostages released and a complete Israeli withdrawal from Gaza, were due to start Feb. 3. But Israel and Hamas appear to have made little progress, even as Israeli forces withdrew Sunday from a Gaza corridor in the latest commitment to the truce.

Israeli forces have withdrawn from a key corridor in Gaza in the latest commitment under a tenuous ceasefire, while shock over freed emaciated hostages renewed pressure on Benjamin Netanyahu to extend the truce beyond the first phase ending three weeks from now.