The Kremlin says almost all communications channels with the United States are frozen. The U.S. State Department says the dialogue with Russia continues despite their differences.
The U.S. State Department reinstates Pakistan into International Military Education and Training program. It was suspended in August 2018 as part of the Trump administration's pressure to have it crack down on Islamist militants.
Russian President Vladimir Putin signs into law amendments that allow foreign media outlets in Russia to be listed as foreign agents. Earlier this month, RT America has been forced to be registered as a foreign agent in the United States.
Twitter bans all ads from Russian news agencies RT and Sputnik based on U.S. intelligence's conclusion that both attempted to interfere with the 2016 U.S. presidential election on behalf of the Russian government.
U.S. President Donald Trump says he and Russian President Vladimir Putin "discussed forming an impenetrable cyber security unit so that election hacking, and many other negative things, will be guarded and safe." Trump later says he does not think this will happen.
Between four and 20 people are reported killed by government and Russian airstrikes that hit rebel held areas, five hospitals, and a mobile clinic in Aleppo, says U.S. State Department spokeswoman Elizabeth Trudeau. Syria and Russia deny targeting Aleppo.
The U.S. Obama administration and the Russian Putin administration agree to a Syrian peace deal. The deal is intended to end combat in specified areas and create a joint center of combat to fight ISIL and Al-Nusra Front.
A senior Iraqi intelligence official, who is also a Syrian activist leader, says Islamic State of Iraq and the Levant commander Omar al-Shishani (Omar the Chechen, real name Tarkhan Tayumurazovich Batirashvili) died of wounds suffered in a March 4 U.S. airstrike near the Syrian town of Al-Shaddadah. The U.S. State Department offered up to $5 million for information on his whereabouts. Amaq news agency, which supports ISIL, says Shishani is neither dead nor hurt.
The Russian Government says Russian jets bombed Syria for the third consecutive day, hitting 12 Islamic State of Iraq and the Levant (ISIL) targets. The UK-based Syrian Observatory for Human Rights reports that ISIL has no presence in the western and northern areas struck though Al-Qaeda's Syrian affiliate al-Nusra Front does. Russian planes also bombed Raqqah, the unofficial capital of ISIL.
The United States Department of State issues an apology for Department spokesman P.J. Crowley's personal comments, which described Libyan leader Muammar al-Gaddafi's comments on the minaret controversy in Switzerland as "lots of words, not necessarily a lot of sense".