“The spread of misinformation & disinformation continues to be used as a weapon in the war in Gaza,” he wrote.

Israel has campaigned for years against UNRWA, the main organisation delivering humanitarian aid to Palestinians in the occupied Palestinian territory and providing services for Palestinian refugees in other countries since 1949, claiming it has connections with “terrorists” and lobbying for its closure.

Last month, the UN denounced an Israeli government spokesperson after he described Lazzarini as a “terrorist sympathiser”.

UNRWA head accuses Israel of buying Google ads to block donations to agency