The Venice Biennale art exhibition is due to open to trade visitors around the world on Thursday.
The U.S. told Israel at the weekend that the United States, Israel’s main protector, would not participate in an Israeli counter-strike.
The United States expects an attack by Iran against Israel but one that will not be big enough to draw Washington into war, a U.S. official says late.
A former hostage, whose husband is still being held in Gaza, addressed the demonstration in Tel Aviv, calling on Mr Netanyahu to “Bring them home!”
Israeli President Isaac Herzog has vowed that Hamas leader Yehya al-Sinwar will be captured dead or alive.
The figure is likely to be higher as many more are reported dead under the rubble.
“The Berlinale suffered serious damage this weekend because anti-Semitism went far too unchallenged there,” said Germany’s justice minister.
“My national security adviser tells me that we are close.’’
Residents in the area told the news agency that they heard explosions.
About 12 countries have temporarily halted their funding of UNRWA due to the allegation.
