Here is what we know about the meeting between the two leaders, taking place in Alaska - a former Russian territory which only became a US state in 1959. Why are Putin and Trump m

"The presidents will undoubtedly focus on discussing ways to reach a sustainable settlement to the Ukraine crisis," a Kremlin aide said on Saturday.

The threats, pressure and ultimatums have come and gone, but Russian President Vladimir Putin has maintained Moscow’s uncompromising demands in Ukraine, raising fears he could use a planned summit with U.