Diplomats at the United Nations Security Council said planned restrictions on the agency, UNRWA, would imperil Palestinians. Only the U.S. sides with Israel.

Implementation of a ban on the U.N. Palestinian relief agency UNRWA in Israel - due to start on Thursday - will be disastrous, the UNRWA chief told the Security Council on Tuesday, as the United States accused it of being "irresponsible and dangerous.

Israeli officials have not spelt out how they will enforce the legislation passed last year by Israel's parliament, which accused Unrwa of being complicit with Hamas - an allegati

Legislation that goes into effect on Thursday bars UNRWA from operating in the country. That will affect aid delivery to Gaza and beyond.

The law that bans the United Nations agency that aids Palestinian refugees in Gaza went into effect on Wednesday.