Khamenei made the remarks to a group of lawmakers in Tehran, Press TV said.
Iran's Press TV said Iran would also offer "a new comprehensive package of proposals", without giving details.
And evidence indicated that "foreign elements" were behind the planning, Press TV said.
Press TV said troops were also involved in the maneuvers in the Persian Gulf and Strait of Hormuz areas.
Earlier Wednesday, Press TV said police raided a building in central Tehran used as a "headquarters" to foment post-election unrest.
Authorities arrested him February 23 when he was on a flight from the United Arab Emirates to Kyrgyzstan, Press TV said.
Press TV said Heidari provided classified information to Mossad, the Israeli intelligence agency, and Ahmadi had been convicted of providing the CIA with intelligence.
The quakes damaged historic monuments, including the roof of Shahabeddin Ahari's tomb and the Qasem Khan Ahari house, among other sites, Press TV said.
CNN: More than 300 killed, 3,000 injured in Iran earthquakes
But Khamenei added that the Islamic establishment and people "will never give in to coercive demands with regards to Iran's presidential elections, " Press TV said.
Iran's Press TV said that the Iranian army's "electronic warfare unit" brought down the drone on 4 December as it was flying over the city of Kashmar.
But a report last week by Iran's Press TV said Saberi was arrested in January for working illegally as a journalist after her press card was revoked in 2006.
In a joint news conference on Iran's state-run Press TV, Muallem said the Syrian army was acting to defend the people and was doing so within the framework of the law.
However, Press TV reporter Amir Mehdi Kazemi said he heard gunshots at the rally and at least one person, a boy, appeared to be injured by the gunfire.
CNN: Moussavi vows to 'pay any cost' to fight Iran election results
Though "minor irregularities" were found, they were not significant enough to change the results, the council spokesman said, according to Press TV.
"In this election, for the first time, certain candidates claimed fraud and, by causing unrest, killed and injured many, including eight members of the Basij, " Javani said, according to Press TV.
"The Islamic Republic of Iran favors the expansion of relations with all countries, but will never accept interference of other states in its internal affairs, " commission spokesman Kazem Jalali said, according to Press TV.
CNN: Iran to review ties with Britain amid claims of 'interference'
"Based on our needs and once the required fuel is obtained, we will decrease the production and we may even totally shift it to the 3.5%, " Iranian nuclear chief Fereydoun Abbasi said, according to Press TV.
"I advise both sides not to provoke the emotions of the youth, not to stage people against one another, " he said in a speech on Press TV.
CNN: Iran's election authority: Partial recount shows election valid
In a story posted Saturday on the Web site of the government-run Press TV, Iran's deputy police commander said 400 police personnel had been wounded since the opposition rallies began last weekend.
CNN: Chaos prevails as protesters, police clash in Iranian capital
"In fact, this report is a clear indication that Iran is successfully continuing its nuclear activities for peaceful purposes and this is an important message to the whole world, " he said, according to Iranian Press TV.
"Toying with modern technologies in political issues is among the new measures by the enemies against Iran, (and) in this regard, Google has been treated as a plaything, " Foreign Ministry spokesman Ramin Mehmanparast said Thursday, according to state-run Press TV.
CNN: Iran threatens to sue Google for not labeling Persian Gulf
Al-Iraqiya is a Pentagon-funded TV station, and the three were carrying appropriate press credentials, Kimmitt said.
Iran's Press TV reported hundreds of thousands of people attended the rally, and Hatami said the crowd stretched down one street for nearly 8 kilometers (5 miles).
CNN: Moussavi vows to 'pay any cost' to fight Iran election results
Although she holds Iranian and American passports, the deputy prosecutor said her U.S. citizenship will not affect legal proceedings, Press TV reported.
The head of Rafsanjani's election campaign office said the former president will not object to the Guardian Council's decision, Press TV reported.
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