US State Sec Blinken arrives in Israel on Sunday, ahead of hostage talks in Cairo
Israeli source cautions: Hamas hasn't responded yet, could undo everything
Negotiations are expected to continue next week in Cairo despite Hamas’ refusal to accept latest US proposal to bridge the gaps
High-level talks focus on details of the deal's implementation
Ceasefire talks in exchange for hostage release are underway in Doha, viewed by US officials as ‘last chance’ effort to reach a deal
Hostages, humanitarian situation, Palestinian state are significant concerns for US
US is convinced Gaza truce will calm Hezbollah tensions, prevent Iranian attack
Hostage families renew public protests – 'Don't come back without a deal!'