The Democratic Party's progressive wing wanted a big win on Tuesday. They wanted to defeat the center-left establishment in an ideological battle.

The victory in Michigan's Democratic Senate primary will have to wait.

The race between Abdul El-Sayed and Haley Stevens remained too close to call on Wednesday.

Some midterm Senate races could change the balance of power in Congress.

Abdul El-Sayed spoke at a primary election night event on August 5. He is a progressive candidate in the Democratic primary for U.S. Senate in Michigan.

Democratic establishment candidates won several victories on Tuesday. This included Rep. Wesley Bell defeating a Democratic Socialists of America-backed challenger.

President Donald Trump's influence over the Republican Party was reaffirmed. Two Trump-backed candidates won gubernatorial nominations.

Here are the top takeaways from a busy primary night.

The verdict is still out in a high-stakes showdown.

Abdul El-Sayed told supporters they would have to wait longer to see the outcome of the race.

El-Sayed had a thin lead over Stevens as votes were counted. He was backed by prominent progressive leaders like Sen. Bernie Sanders.

Haley Stevens said it had been a long night. She gave an update on the close race.

Mike Rogers argued that Abdul El-Sayed is 'a special sauce of crazy'.

Haley Stevens spoke to supporters on election night. She is a candidate in the Democratic primary for U.S. Senate in Michigan.

The race to succeed retiring Democratic Sen. Gary Peters is a must-win for Democrats.

The progressive wing brought its ideological battle with the establishment to Michigan. The contest became the biggest stage in the intraparty fight.

Abdul El-Sayed would be the nation's first Muslim senator if elected. He supports 'Medicare for All'.

El-Sayed has called for abolishing Immigration and Customs Enforcement. He criticized Israel's actions in Gaza as 'genocide' against Palestinians.

Establishment Democrats view Stevens as more electable than El-Sayed. They think his past comments have drawn controversy.

More than $80 million was spent on the primary. This made it the most expensive Democratic Senate nomination contest in history.

El-Sayed said they would spend their money, but not $70 million. He said they were still standing despite being outspent.

El-Sayed urged party unity and targeted former Rep. Mike Rogers.

Stevens also targeted Rogers during her primary night speech.

Stay up to date with the Fox News Election Hub.

Republican Senate candidate Mike Rogers stands for a Fox News Digital interview.

Haley Stevens said Republicans would throw dirt and mud at them. She argued they want to keep the U.S. Senate red.

The progressive-versus-establishment battle played out in Michigan's 7th Congressional District.

William Lawrence edged out two more moderate Democrats. He was backed by Sanders and El-Sayed.

The party's internal battle was on display in Michigan's heavily Democratic 13th Congressional District.

Rep. Shri Thanedar was challenged by state Rep. Donovan McKinney. McKinney was backed by Sanders and El-Sayed.

There were wins for centrists to cheer.

The party's ideological warfare was front and center in Missouri's 1st Congressional District.

Wesley Bell defeated Cori Bush in the Democratic primary. Bell was backed by House Democratic Leader Hakeem Jeffries.

Stay up to date with the Fox News Election Hub.

Democratic Rep. Wesley Bell speaks at his Democratic primary victory celebration.

Bell was boosted by outside money. He outspent Bush and her allies.

Bush accused Israel of committing genocide against Palestinians during its war against Hamas in Gaza.

Bell said they kept their promise to voters. He will continue to work for them.

Bush criticized Bell for skipping candidate forums. She said he was controlled by billionaires.

Bush said it upset her that Bell didn't show up to candidate forums.

Meet the far-left insurgents waging war on the Democratic Party.

Former Rep. Cori Bush speaks after losing the Democratic Congressional primary.

Two candidates who are not left-wingers captured Democratic nominations in Michigan.

Matt Bennett said it's not clear the party has shifted to the left. He thinks the Michigan Senate result may reflect a unique situation.

Bennett said Democratic voters are angry at Trump. They're flipping over the tables and taking it out on the establishment.

Trump flexes his political muscle.

Trump's clout within the GOP was tested. His preferred candidates prevailed in two gubernatorial contests.

Trump-backed Rep. John James won the party's gubernatorial nomination in Michigan.

James will face Jocelyn Benson in the race to succeed term-limited Gov. Gretchen Whitmer.

Republican gubernatorial candidate John James speaks during a breakfast.

In Kansas, Trump-endorsed state Senate President Ty Masterson prevailed.

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Democratic Gov. Laura Kelly is term-limited. The race to succeed her is a leading pickup opportunity for Republicans.

Fox News' Matthew Donnell and Luke Trevisan contributed to this report.

Paul Steinhauser covers the national campaign trail for Fox News.