Israel is studying Hamas' response to a Gaza ceasefire proposal, two officials said on Tuesday of a potential deal for a 60-day truce and the release of half the Israeli hostages still held in the battered enclave.

It was unclear whether Prime Minister Benjamin Netanyahu of Israel was on board with the terms, which came as Qatar and Egypt were intensifying mediation efforts.

Hamas said Monday it has accepted a new proposal from Arab mediators for a ceasefire in the Gaza Strip that would still need Israel's approval, as Gaza's Health Ministry said the Palestinian death toll from 22 months of war has passed 62,