The United Nations human rights office says more than 1,000 Palestinians have been killed by Israeli forces since May while trying to get food in the Gaza Strip.

When Israel launched its controversial US-backed aid plan for Gaza, it aimed to stop Hamas’s alleged profiteering from the seizure and sale of humanitarian supplies.

The Norwegian Refugee Council told Reuters on Tuesday its aid stocks are completely depleted in Gaza, with some of its staff now starving, and accused Israel of paralysing its work.

At least 85 Palestinians were killed while seeking aid in one of the deadliest days for aid-seekers since the war began, Gaza's Health Ministry said.

Now the primary vehicle for food distribution inside Gaza, the controversial U.S.- and Israeli-backed operation is an issue in ongoing ceasefire negotiations.

The foreign ministers of 25 Western nations have slammed Israel for “drip feeding” aid into the Gaza Strip, as the health ministry in the territory said that more than 1,000 people have been killed seeking humanitarian relief there since late May.

Gaza health officials say more than 100 Palestinians were killed Sunday by Israeli fire while trying to get food. The Red Cross's Steve Dorsey joins Morning Joe to explain how the enclave “has become a horror show,

It is one of the highest reported death tolls among repeated recent cases in which people have been killed while looking for aid.

At least 73 Palestinians were killed on Sunday while trying to get food at distribution sites, officials said.

The Israeli military has killed at least 67 people waiting for UN aid lorries in northern Gaza, the territory's Hamas-run health ministry says. The UN World Food Programme said its 25-truck convoy "encountered massive crowds of hungry civilians which came under gunfire", soon after it crossed from Israel and cleared checkpoints.

The Israeli military claims it fired warning shots at suspects who approached its troops after they did not heed calls to stop.

U.N. officials, aid groups and experts have warned for months that Palestinians in Gaza are on the brink of famine without formally declaring one. Even though Israel eased a 2 1/2-month blockade