At least 200 people were killed in Israeli airstrikes on northern Gaza Saturday, according to local health officials, as the United Nations said it would pause aid deliveries through the enclave’s main crossing after more of its trucks were stolen.

TEL AVIV, Israel — At least seven people, including two children, were killed in new Israeli airstrikes on Gaza, as the U.N. halts aid deliveries through a key border crossing due to security concerns and a former Israeli defense minister decries “ethnic cleansing” in Gaza.

The UN agency providing aid to Palestinians has said it is suspending deliveries through the main crossing between Israel and Gaza because of security concerns. The head of Unrwa, Philippe Lazzarini,