Hospitals and clinics destroyed. Millions of tons of debris contaminated with toxic substances, unexploded ordnance and human remains. Tens of thousands of people with injuries that will require a lifetime of care.

Hundreds of thousands of displaced Palestinians returning to their homes in northern Gaza have passed through checkpoints in a central zone of the enclave where scanners check for concealed weapons being taken in cars and vehicles.

The ceasefire agreement between Israel, Hamas and Hezbollah is in new jeopardy Sunday as various groups slow walk responsibilities under the deal.

Israeli Finance Minister Bezalel Smotrich has withdrawn a threat to quit the government if Israel does not return to fighting in Gaza, several Israeli news sites reported on Monday.

Michael Levy, brother of hostage Or Levy, joins Andrea Mitchell to discuss the ceasefire agreement and the critical need for sustained international support. Levy expressed cautious optimism about the agreement,

The initial ceasefire plan, announced in late November, brought an end to 14 months of conflict between Israel and the Lebanese armed group Hezbollah. Brokered by the US and France, the agreement gave Hezbollah 60 days to end its armed presence in southern Lebanon and required Israeli forces to withdraw over the same period.

Crowds of Palestinians fill Gaza’s main coastal road as they stream north. With their belongings on their backs, they smile, hug and sing, overjoyed at the prospect of returning home after more than a year of war.

After four female Israeli soldiers were released by Hamas over the weekend, six more hostages were to be released this week. Some of those expected to be freed in the first phase of the ceasefire with Israel are thought to be dead.

They returned under a ceasefire deal between Israel and Hamas, walking for hours to reach the bombed-out landscape.

Israel has begun allowing Palestinians to return to the heavily destroyed north of the Gaza Strip for the first time since the early weeks of the 15-month war with Hamas, in accordance with a fragile ceasefire.