The US president’s confidant spent over four hours behind closed doors with the Russian leader in St. Petersburg

White House special envoy Steve Witkoff has departed Russia in the same secrecy that surrounded his arrival on Friday, after spending more than four hours talking with President Vladimir Putin behind closed doors in St. Petersburg.

The marathon talks – the third known meeting between the two – were held in Putin's hometown, with both the Kremlin and the White House offering few details about the substance of the discussions. Here’s what we know so far.