The Kremlin on Monday welcomed the arrival of a Russian-flagged oil tanker to Cuba, saying energy supplies to the fuel-starved island had been discussed with the U.S. ahead of its delivery.

Kremlin Spokesman Dmitry Peskov said Moscow considered it its duty to help Cuba, according to Russian state news outlet RIA Novosti. He added that Havana needed petroleum products amid a de facto U.S. oil blockade.

A Russian oil tanker carrying a humanitarian shipment of 100,000 tons of crude oil reportedly arrived in Cuba earlier in the day.

The sanctioned Anatoly Kolodkin vessel was said to be waiting to unload shortly after U.S. President Donald Trump said he had “no problem” with a Russian crude tanker delivering fuel to Cuba.

Speaking to reporters aboard Air Force One on Sunday, Trump said: “If a country wants to send some oil into Cuba right now, I have no problem with that, whether it’s Russia or not.”