"Since our last G7 summit in Japan, we haven't seen anything that would justify a change in our sanctions policy towards Russia", Tusk told reporters in Sicily on May 26 ahead of the group's summit in the resort of Taormina.
After a two-day summit in Italy, French President Emmanuel Macron had warm words for Donald Trump, despite the fact the USA president did not join in with other Group of Seven nations in supporting the Paris accord on fighting global warming.
While Trump has met all of the leaders one on one, this will be the first time all seven are around the same table, including also newcomers Emmanuel Macron of France, Theresa May of Britain and the Italian host, Paolo Gentiloni - forging a new dynamic after a year of global political turmoil amid rising nationalism.
The first day of the summit on Friday failed to make progress on narrowing differences between the United States and its partners as Trump is still reviewing Washington's position.
Addressing a North Atlantic Treaty Organisation summit in Brussels on Thursday, Mr Trump warned that all members of the alliance should contribute more financially on defence.
In principle, the G7 embodies a potentially very useful platform for engaging Trump internationally.
Bloomberg's Jennifer Jacobs noted the White House's displeasure with the "false reporting".
The Italian air force's Frecce Tricolori acrobatics team is putting on a show for the G-7 summit, streaming the colors of the Italian flag over the sea as the leaders watch from garden in Sicily.
Trump, who has previously called global warming a hoax, tweeted that he would make a decision next week on whether to back the 2015 Paris Agreement on curbing carbon emissions following lengthy discussions with G7 partners.
Trump is also going against the grain on trade with more protectionist stand.
There has been concern that the U.S. president might promote a protectionist agenda.
That said, tensions with respect to exchange rates are not likely to abate following the Taormina summit. Yeah, we could - yes, we can have a hundred-plus nations signed up to agreement. The ECB's clear but narrow mandate of price stability - attaining an inflation rate close to but below two percent - places a ceiling on its willingness to join any currency plan agreed upon by G7 governments, especially if it would place its mandate and independence at risk.
No injuries were reported, however, and the rally continued pacifically after the confrontation.
United Kingdom and USA leaders met on the sidelines of the G7 meet and reaffirmed to complete a bilateral trade agreement after UK's exit from the European Union.
But after the pomp of presidential travel overseas, Trump will return to Washington to find the same problems that have dogged him.