EXCLUSIVE: Republican Vice Presidential nominee Sen. JD Vance spoke with Vice President Kamala Harris on Tuesday afternoon in what was the pair's first conversation since Vance was named former President Donald Trump's running mate, Fox News Digital has learned. 

A source with knowledge of the call told Fox News Digital that Vance and Harris had a "brief and respectful" conversation.

The source said Vance and Harris both said they look forward to debating, but told Fox News Digital that no specifics were discussed. 

Harris left a voicemail for Vance after Trump announced him as his VP pick on Monday afternoon. 

Vance called Harris back on Tuesday afternoon. 

This is a developing story. Please check back for updates.