The United States and Qatar signed an agreement on combatting terrorism and its financing during a visit to Doha by U.S. Secretary of State Rex Tillerson.

Saudi Foreign Minister Adel al-Jubeir denies a 'blockade of Qatar,' saying during an appearance with U.S. Secretary of State Rex Tillerson, that Saudi's closure of its airspace to flights from Qatar is the kingdom's 'sovereign right.'

U.S. Secretary of State Rex Tillerson blames Russia's inaction for helping fuel a deadly poison attack against Syrian civilians last week.