"That (the) United States arms a terrorist group is what causes instability", Khameini wrote on Twitter Monday.
Smith was appointed ambassador by US President Donald Trump's predecessor Barack Obama in 2014.
Those attacks, which left at least 12 people dead, were claimed by ISIS.
Turkey has also maintained workable relations with Iran, Saudi Arabia's chief regional foe.
Dubai- UAE Minister of State for Foreign Affairs Dr. Anwar Gargash criticized Monday the Qatari interpretation of the Arab boycott of the country as being a "siege".
"The situation is complicated for exports to the Middle East as a whole, because we normally ship our produce exports to countries in the Gulf via Doha", the source revealed.
Speaking after meeting Qatari foreign minister Sheikh Mohammed bin Abdulrahman Al Thani, Mr Johnson said: "I have been in touch with my counterparts across the region about the current tensions with Qatar".
Eritrea has expressed support for Saudi Arabia and its allies after they cut ties with Qatar.
In what appeared to be a coordinated move, foreign office officials alleged Qatar was responsible for supporting the Islamic State group and al-Qaeda "at all levels" in an unprecedented diplomatic spat for the Gulf region.
Because of the threat the blockade poses to Qatar's milk, Khayyat, chairman of Power International Holding, is taking matters into his own hands.
Saudi Arabia accused its fellow Gulf Co-operation Council member of supporting a range of violent groups, from proxies of Shiite Muslim Iran to the Sunni militants of Islamic State.
Iran, which lies across the Gulf from Qatar, has joined Erdogan in committing to support its isolated ally.
The UAE General Civil Aviation Authority said it is fully committed to the Chicago convention, but that the state reserves the sovereign right under global law to take any precautionary measures to protect its national security if necessary, UAE state news agency WAM reported.
The BBC reported that the world's largest container shipping line, Maersk Line, had stopped supplying Qatar since its so-called "feeder" vessels could no longer transport cargo between the UAE and Doha.
On Tuesday, Morocco announced it would send food by plane to Qatar.
The Pentagon said last week that after Saudi Arabia and its allies imposed economic and diplomatic boycotts on Qatar, current USA military operations against the Islamic State (IS) group had not been affected, but it was "hindering" the ability to plan for long-term operations. For Eritrea, this is a timely issue that warrants its active support.
The United States is joining two other countries, Syria and Nicaragua as the only countries not in the Paris Climate Accords. Climate scientists warn that any temperature increase beyond that "red line" could have disastrous consequences worldwide.
The Cavaliers became the first team in NBA Finals history to rally from 3-1 down previous year in dethroning the Warriors. As the Warriors learned, James and the rest of the Cavs can make a series lead vanish if you let them.
What doesn't is that Rinne is the weak spot, and this is how Pittsburgh wins. "When we score one, we don't stop", Malkin said. The Predators are averaging 2.9 goals per game and are scoring on 18.9 percent of their power play opportunities.
Don't ever give up on this team, Cavs fans. "They boo me and thought I had a tech I didn't have, so that wasn't sharp" Green said. Fans who are not season-ticket holders had a chance to buy Game 5 tickets on a first-come, first-served basis Saturday.
The Golden State Warriors have been a favorite for most of the playoffs series, and little has changed with the Finals. And they were desperate and they outplayed us. "When he's getting 39 points off 2s, you can live with that".
Apple recently unveiled the new 12.9-inch iPad Pro , and its price starts at $799, just like the new Surface Pro from Microsoft . The case comes for both 10.5-inch and 12.9-inch iPads, and is already up for sale in Apple Stores as well as e-commerce portals.
Prospects for Russia's nascent protests unclear after rally
Organized by opposition leader Navalny on a public holiday, the protests led to mass arrests in Russia's two largest cities. All across Russian Federation , thousands of citizens protested against Putin and his corrupt regime yesterday.
Warriors have chance to clinch NBA title at home
Then, in the third quarter, Green was called for another technical, which would have forced him to be ejected from the game. Bringing defensive help against Curry leaves someone else open for a pass and scoring opportunity, Durant warned.
Cavaliers top Warriors to stay alive in NBA finals
If they lose again, Kerr should do the noble thing and take a broken sternum and ensuing hospitalization for the team. LeBron James , Kyrie Irving, and Tristin Thompson are the only players in the series who were drafted by Cleveland .
Undefeated Warriors on verge of making history
Everybody is gravitating to how he's playing, shorter guys who can dominate the game the way he has the last couple of years. Golden State still leads the best-of-seven series 3-1 with game five set for Monday in Oakland, California.
Apple refreshes MacBook and MacBook Pro at WWDC 2017
But it also a fragmented mess that is completely antithetical to Apple's tight control over both its hardware and its software . Apple is obviously still making tablets and so does Samsung but a lot of other companies have already retired from the race.
Apple's New MacBook Keyboard Looks Lit
That includes four Thunderbolt 3 ports , allowing users to connect up to two separate 5K monitors while connecting two RAIDs. Major carrier Sprint has just announced that it has started to sell the new 10.5-inch and 12.9-inch iPad Pro tablets today.
Democratic Unionists in Northern Ireland become election key
See from Fintan O'Toole of the Irish Times, from last month: " What connects Brexit, the DUP, dark money and a Saudi prince? ". At least one senior party member has defended creationism, the theory that the world was created by God 10,000 years ago.
Stress test: High-wire Cavaliers still alive in NBA Finals
Irving scored 40 and James had his third straight Finals' triple-double, finishing with 31 points, 11 assists and 10 rebounds. And yet, for all the winning and his impeccable behavior, Curry's reputation hasn't landed at a fully satisfying place.