Former Massachusetts Gov. Deval Patrick Deval PatrickRalph Gants, chief justice of Massachusetts supreme court, dies at 65 It's as if a Trump operative infiltrated the Democratic primary process Top Democratic super PACs team up to boost Biden MORE (D) lashed out at how his Democratic rivals reacted amid the fallout over the delayed results of Iowa's caucuses on Monday.

"One candidate is calling the results into question because he apparently didn’t do well. Another is declaring victory without any votes being confirmed," Patrick said in a statement on Tuesday.

"The way to beat Donald Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE isn’t to act like Donald Trump. Our party and our country deserve better," he continued.

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Patrick appeared to be referencing former Vice President Joe Biden Joe BidenThe Memo: Warning signs flash for Trump on debates Senate Republicans signal openness to working with Biden National postal mail handlers union endorses Biden MORE and South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBogeymen of the far left deserve a place in any Biden administration Overnight Defense: Woodward book causes new firestorm | Book says Trump lashed out at generals, told Woodward about secret weapons system | US withdrawing thousands of troops from Iraq A socially and environmentally just way to fight climate change MORE. The Biden campaign's general counsel pointed to "considerable flaws" in the caucus system in a letter to Iowa Democratic Party officials on Monday.

"I write on behalf of the Biden for President Campaign regarding the considerable flaws in tonight's Iowa Caucus system," Dana Remus wrote. "The app that was intended to relay Caucus results to the Party failed; the party's back-up telephonic system likewise has failed."

Meanwhile, Buttigieg appeared to declare victory when addressing supporters in Iowa on Monday night despite not receiving official results.

The former mayor appeared on TV morning shows on Tuesday and defended the move.

“We were looking at the internal numbers we had and beginning to realize something extraordinary happened last night,” Buttigieg said on MSNBC.

The Iowa Democratic Party has laid blame for the delay in results on a phone app the precincts were using to transmit results, saying it did not function properly.