Israel is making plans for a potential major ground offensive in Gaza that would involve sending tens of thousands of troops into combat to clear and occupy large swaths of the enclave, an Israeli official and a second source familiar with the matter said.

Israel launched a massive wave of airstrikes on Gaza Monday night following a breakdown in ceasefire talks over the release

Israel said it has targeted prominent members of Hamas in recent days, including the group’s new prime minister in a “precise strike” on where he was operating within Gaza’s Nasser Medical Complex.