President Trump said Wednesday that relations with Russian Federation "may be at an all-time low" following Syria's use of chemical weapons last week and the US airstrike that followed.
Both Syria and Russian Federation have denied that forces loyal to the Assad regime carried out the toxic gas attack in the town of Khan Sheikhoun on 4 April.
CNBC reported that earlier Wednesday, Putin said that U.S. -Russia relations have "deteriorated" since President Donald Trump took office, according to a transcript of an interview published by the Kremlin.
Al Jazeera's Rory Challands, reporting from Moscow, said Russia, Syria and Iran were likely concerned the Tomahawk missile barrage could signal deeper U.S. involvement in the Syrian conflict.
"Right now, the world is a mess, but I think by the time we finish, I think it's going to be a lot better place to live".
Russia's relationship with the US has deteriorated since Trump assumed the Oval Office, Putin said in an interview aired Wednesday.More news: Coutinho: Always Remember Jackie Robinson On This Day
"I have personally reviewed the intelligence, and there is no doubt the Syrian regime is responsible for the decision to attack and for the attack itself", Defense Secretary James Mattis said Tuesday.
The palpable tension hanging over Tillerson's trip spoke to a widening chasm between the former Cold War foes.
Until the chemical attack, the Trump administration had sought to step back from the US position that Assad should leave power.
Mr Tillerson opened the tense three-hour meeting with Mr Lavrov by saying he aims to clear up the two nations' "sharp differences". As evidence, Lavrov critically recalled USA interventions in Iraq, Libya and Yugoslavia that he said resulted in increased instability.
Russian Federation said the gas was part of rebel stockpiles, which the rebels have denied.
Slate looks at a couple reasons for why President Trump hasn't been almost as pro-Russia as candidate Trump, including the possibility that he's been prevented from following pro-Russia policies by political realities in Washington, or simply that he's changed his mind on Russian Federation.
An official said the White House was "very concerned" about interference in the October elections, blaming them for an alleged coup attempt.