EghtesadOnline: Russia's ambassador to Washington Sergei Kislyak , a key figure in ongoing U.S. investigations into Moscow's meddling in the 2016 presidential election, ended his tenure on Saturday.

EghtesadOnline: U.S. President Donald Trump’s son-in-law and close adviser, Jared Kushner, had at least three previously undisclosed contacts with the Russian ambassador to the United States during and after the 2016 presidential campaign, seven current and former U.S. officials told Reuters.

EghtesadOnline: President Donald Trump disclosed highly classified information to Russia's foreign minister about a planned Islamic State operation, two U.S. officials said on Monday, plunging the White House into another controversy just months into Trump's short tenure in office.