Israeli Prime Minister Benjamin Netanyahu threatened to resume hostilities unless Hamas releases hostages under a ceasefire agreement on Saturday. Hamas said Monday it is delaying the hostage release.

Stalling the next release of hostages from the Gaza Strip, scheduled for the coming weekend, raises new challenges for the already tenuous six-week truce and chances for a lasting end to the war.

Hamas said delayed the release of the next group of Israeli hostages, accusing Israel of preventing aid and Palestinians from returning home in Gaza. Israel said Hamas is violating the ceasefire.

Hamas’ threat to delay the next planned release of Israeli hostages from the Gaza Strip has jolted a fragile ceasefire that’s seen as having the potential to wind down the war

Hamas has announced that the next hostage release scheduled for Saturday will be postponed, alleging Israel had failed to abide by the terms of the agreement. CNN’s Jeremy Diamond brings you the latest from Tel Aviv.

Hamas says it will delay the further release of hostages in the Gaza Strip after accusing Israel of violating a fragile ceasefire that now faces its most serious crisis since it began three weeks ago

Aid and fuel trucks continued to move through Rafah in the southern Gaza Strip on Tuesday (February 11), a day after Hamas said it would stop releasing Israeli hostages until further notice over what it said were Israeli violations of the ceasefire agreement.