Former President Barack Obama called New York City Democratic mayoral candidate Zohran Mamdani on Saturday to praise his campaign and offer to be a "sounding board" in the future, two sources confirmed to ABC News.

Former President Barack Obama was as close as North Jersey but still only talked by phone with New York City mayoral frontrunner Zohran Mamdani over the weekend — and withheld endorsing him.

Former President Barack Obama spoke with New York City mayoral candidate Zohran Mamdani on Saturday, days before Tuesday’s general election. The call between Obama and the democratic socialist frontrunner comes as several prominent Democrats have kept their distance from Mamdani’s campaign.

A video of a recent address by Zohran Mamdani, the Democratic mayoral candidate, has been viewed more than 25 million times.

Democratic nominee and proud socialist Zohran Mamdani tried to downplay former President Barack Obama’s refusal to offer up an endorsement over the weekend — with just one day left in one of the most-watched races in the country.

The New York City mayoral candidate's anecdote about an aunt who faced Islamophobia after 9/11 prompted accusations that he fabricated the story.

Brushing off Mamdani, House Minority Leader Hakeem Jeffries accused Trump and the GOP of having gone "way too far."

Princeton University political scientist Lauren Wright weighs in on the 'Mamdani effect' and the New York City mayoral election on 'Fox Report.'