New protests broke out across the Muslim world on Saturday, as tens of thousands of demonstrators took to the streets over President Donald Trump’s decision last week to formally recognize Jerusalem as the capital of Israel.

The move has drawn consternation from global leaders and caused unrest in the Palestinian Territories and around the world, from Indonesia and Malaysia to Morocco and Turkey.

Both Israelis and Palestinians see the city as their capitals, and Palestinians have for years pushed to make the city the center of a Palestinians state.

On a day where Turkish President Recep Tayyip Erdogan called Israel a terrorist state thousands of angry demonstrators in Istanbul Turkey, burned U.S. and Israeli flags.

An Israeli guard was stabbed on Saturday in Jersualem as Israel’s Prime Minister Benjamin Netanyahu launched a visit to Europe to defend President Trump’s decision.

Netanyahu’s travels follow several days of violence that killed four Palestinians, who continue to demonstrate in the West Bank and Gaza. On Sunday, the Israeli military said it had destroyed a tunnel that ran into southern Israel.

An estimated 10,000 Indonesian’s protested in the city of Jakarta on Sunday near the U.S. Embassy, according to the New York Times. Indonesia is the world’s most populated Muslim country. Indonesian President Joko Widodo said Trump’s recognition of Jerusalem as Israel’s capital was a violation of United Nations resolutions.

Trump also announced plans to move the U.S. embassy from Tel-Aviv to Jerusalem, a decision that prompted an international outcry.

European nations also chimed in to criticize the decision, including Germany and France, while several extremist groups such as the Taliban said they would seek to to draw bloodshed in response.