- Riyadh has written to France's Emmanuel Macron to intervene
- S-400 missile systems of Russia can strike air targets over long range
- Saudi Arabia, others broke off relations with Qatar in June last year
Citing information it had obtained, Le Monde said Friday that Riyadh had written to French President Emmanuel Macron asking him to intervene to prevent the deal going ahead and to help preserve regional stability.
There was no immediate official reaction from the president's office or the French foreign ministry to the report.
Saudi Arabia, backed by other regional powers including Bahrain and the Unite Arab Emirates, broke off relations with Qatar in June last year, accusing the Gulf state of supporting radical Islamist groups and of being too close to Iran -- Riyadh's arch rival in the region.
In an effort to ease its isolation, Qatar has sought new friends, including Russia.
Le Monde said that in the letter sent to the French president, Saudi King Salman had expressed his "deep concern" with the discussions between Doha and Moscow and warned about the risk of escalation.
Saudi Arabia "would be ready to take all necessary measures to eliminate this defence system, including military action," the newspaper wrote.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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