Connecticut Gov. Ned Lamont (D) backed former Vice President Joe Biden Joe BidenPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Fox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio MORE for the Democratic presidential nomination Tuesday.

"When my campaign needed a final push last fall, @JoeBiden was there. I’ve gotten to know him more over the years and now, I’m grateful that he’s thrown his hat in the ring to run against President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE," Lamont tweeted, along with a photo of Biden campaigning for him.

"As Democrats, we are fortunate to have such an impressive field. The strength of our candidates is good for our democracy and for us as a nation. Joe has spent his entire life fighting for hard working American families. That’s the kind of President we need now more than ever."

As Democrats, we are fortunate to have such an impressive field. The strength of our candidates is good for our democracy and for us as a nation. Joe has spent his entire life fighting for hard working American families. That’s the kind of President we need now more than ever. — Ned Lamont (@NedLamont) July 2, 2019

Biden already received the backing of his home state governor, John Carney John Charles CarneyDelaware Gov. John Carney fends off primary challenge Here's your state's plan for reopening schools Here are the states requiring masks in public MORE (D) of Delaware.

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Lamont contributed to Biden’s campaign, according to the Hartford Courant.

The governor's backing comes as Biden's lead in the Democratic primary wanes. Although he still leads most polls, his margins have generally shortened since last week's presidential debate.

Connecticut's presidential primary will take place in April 2020.

Connecticut Sens. Richard Blumenthal (D) and Chris Murphy Christopher (Chris) Scott MurphyDemocratic senator calls for 'more flexible' medical supply chain to counter pandemics The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon GOP chairman to release interim report on Biden probe 'in about a week' MORE (D) have yet to weigh in on the race.