WASHINGTON – The Trump administration greeted his Ukrainian counterpart at the White House with the announcement of a new set of sanctions on Russia – though Ukraine President Petro Poroshenko took the opportunity to warn Trump against future dealings with Moscow.

In brief comments to reporters about his meeting with President Petro Poroshenko, Trump said the leaders had “some very, very good discussions” and that Ukraine is “a place that we’ve all been very much involved in.”

As Poroshenko arrived at the White House, the Treasury Department said it is targeting 38 individuals and entities “involved in the ongoing conflict” with Ukraine over the Russian occupation of Crimea. Russia “annexed” the region of Ukraine in 2014, and has backed pro-Russian separatists fighting in eastern Ukraine; the Treasury sanctions list includes Ukrainian separatists and officials of the Russia government.

Poroshenko, who called the White House visit “a great pleasure,” said earlier that discussing Russia’s president Vladimir Putin would be part of his agenda with Trump.

“It is very important that my meeting, as Ukrainian President, in the White House will take place earlier than the meeting of Putin,” Poroshenko said in a statement, adding that his goal would be to “provide information and leave no chance for injustice.”

Amid waves of tensions between the United States and Russia – including an investigation into Moscow’s attempts to influence the 2016 U.S. presidential campaign – there is currently no personal meeting scheduled between Trump and Putin, though the two leaders may meet at the upcoming Group of 20 summit in Germany in early July.

Poroshenko, who had a pre-scheduled meeting with Vice President Pence, had a “drop-in” visit with Trump and national security adviser H.R. McMaster.

The talks took place amid investigations by congressional committees and…