Watch: Tillerson delivers joint statement with Russian Foreign Minister

Secretary of State Rex Tillerson delivered a joint statement with Russia's Foreign minister Sergey Lavrov amid tensions over a U.S. airstrike against an air base in Syria. Watch the replay of the news conference in the player above.

President Trump ordered the strike, citing a chemical attack that killed at least 86 people that he blamed on the government of Syrian President Bashar Assad, who is a close Russian ally and has depended on Russian military support in a six-year-old civil war.