'Positive chemistry' between Trump and Putin at first meeting

Saul Loeb/AFP/Getty Images

US President Donald Trump opened his much-anticipated meeting with Russian President Vladimir Putin by raising concerns about Russia's alleged interference in the 2016 presidential election, according to US Secretary of State Rex Tillerson.

"They had a very robust and lengthy exchange on the subject," Tillerson said after the two leaders met for two hours on the sidelines of the G20 summit in Hamburg, Germany.

"The president pressed President Putin on more than one occasion regarding Russian involvement. President Putin denied such involvement, as I think he has in the past," he said.

Russian Foreign Minister Sergey Lavrov confirmed that the two leaders discussed the subject.

"President Trump said he heard President Putin's clear statement that [the allegations] are not true, and that the Russian government...