Iranian supreme leader Ayatollah Ali Khamenei addresses members of the Hajj pilgrimage committee in Tehran. AFP
"The Yemeni action in support of the Palestinian people was an independent decision taken in solidarity" with them, said Iran's foreign ministry in a statement.
A missile fired from Yemen on Sunday gouged a deep crater in the perimeter of Ben Gurion International Airport, wounding six people and briefly grounding flights.
The Houthis claimed responsibility, saying they fired "hypersonic ballistic missile" at Ben Gurion and warning of more attacks on Israeli airports.
Israeli Prime Minister Benjamin Netanyahu vowed a tough response to the Houthis and Iran over the attack.
On social media platform X, Netanyahu said Israel would also respond to Iran at "a time and place of our choosing".
Reacting to these threats, Iran on Monday warned it would retaliate to any attack against its territory.
"Iran underlines (its) firm determination... to defend itself," the foreign ministry statement said, warning Israel and the United States of "consequences".
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