Israel completed its withdrawal from the Netzarim Corridor on Sunday, a key road that splits Gaza in half, as part of its commitments under a ceasefire agreement with Hamas.

Hamas on Monday announced it would stop releasing Israeli hostages until further notice over what the Palestinian militant group called Israeli violations of a ceasefire agreement in Gaza, raising the risk of reigniting the conflict.

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