Russia's foreign minister said during a news conference Wednesday that the meeting between Secretary of State Rex Tillerson and Russian President Vladimir Putin "have proven to be substantial and very frank."

Russian Foreign Minister Sergey Lavrov, through a translator, said in Moscow: "This has been a long day. We have had talks with the state secretary of the U.S., Rex Tillerson. Right now, we have had a long conversation with president Vladimir Putin of Russia."

"It has lasted for more than 2 hours," Lavrov said of the meeting. "The negotiations have proven to be substantial and very frank. They have comprised a whole gamut of issues, bilateral relations as well as our interaction in the international arena."