More than 13% of Michigan Democratic voters cast a ballot for uncommitted in the states primary on Tuesday. The sizable protest vote is a sign of serious frustration with President Joe Biden over the White Houses policy in Gaza, and a potential warning for the November election in a state he only narrowly won in 2020.

The number of uncommitted ballots comes after voters, particularly in Michigans Arab and Muslim communities, pledged to turn their back on Biden as the U.S. continues to support Israels bombing campaign in Gaza that has killed nearly 30,000 Palestinians. Dearborn, Michigan, which has a large Arab and Muslim population, showed Biden losing outright to uncommitted with 56% while the president got 40%.

One campaign, Listen to Michigan , aimed to have at least 10,000 uncommitted votes in the primary to send the president a clear message on his Gaza policy. The total on Tuesday was over 100,000.

Our movement emerged victorious tonight and massively surpassed our expectations. Tens of thousands of Michigan Democrats , many of whom who voted for Biden in 2020, are uncommitted to his reelection due to the war in Gaza, the campaign said in a statement posted on X (formerly Twitter).

In a statement Tuesday night, Biden said, I want to thank every Michigander who made their voice heard today. Exercising the right to vote and participating in our democracy is what makes America great. He did not address the uncommitted vote directly nor the situation in Gaza.

Voters who cast ballots for uncommitted said their vote was intended as a warning to Biden that his reelection bid is at stake.

He needs to change course or hes losing the presidency in November, Hussien Ali, a physician based in Detroit who voted uncommitted, told HuffPost. I know a lot of people, a lot of close friends and family, who, regardless if it changes position at this time, they might not even vote for him ever again.

Biden won Michigan, a key swing state, in the 2020 election against then-President Donald Trump by more than 150,000 votes. There are over 200,000 registered Michigan voters who are Muslim, while 300,000 trace their ancestry back to the Middle East and North Africa. In 2016, former president Donald Trump won Michigan by a mere 10,000 votes.

Nationwide, 64% of Muslims supported Biden in 2020. But since Israeli forces launched their brutal assault against Gazans with the U.S.s steady support in retaliation for a Hamas attack last October, that support has been rapidly dwindling. Arab and Muslim voters have launched similar Abandon Biden campaigns in other key states including Pennsylvania, Georgia and Arizona.

Rep. Rashida Tlaib (D-Mich.), former presidential candidate Beto ORourke, Detroit Councilwoman Mary Waters, former Michigan representative Andy Levin, Josh Paul the former State Department director who resigned over the Israel arms deal and the Detroit Metro Times all endorsed an uncommitted vote in Michigans primary.

Locally, more than 30 local representatives vowed to vote uncommitted across Southeast Michigan, including Abdullah Hammoud, the first Arab American and Muslim mayor of Dearborn, which is home to one the largest Muslim and Arab populations in the country.

Hammoud told HuffPost that his communitys support for a cease-fire and the end of the war in Gaza stems from the fact his constituents themselves either lived through war previously or lost loved ones in the most recent bombardment.

If theres anything to be said about this movement, its multi-age. Its multi-racial, multi-ethnic, multi-generational, its multi-faith, said Hammoud. And for many of us in that way, its a success, because weve demonstrated that this is not an Arab issue, its not a Muslim issue. This is an issue thats of concern to all Michiganders and to all Americans.

Huwaida Arraf, a Palestinian American lawyer based in Macomb County, submitted her uncommitted vote by mail earlier this month, calling the White House strategy in Gaza unforgivable.

We are tired of being gaslighted. We are tired of having every election time being told that this is the most consequential election of our lifetime and being bullied or fearmongering into voting for the lesser of two evils. Were not going to do that anymore, said Arraf.