A senior Trump administration official, speaking on condition of anonymity says Washington was not prepared to say at this point whether it was a nuclear explosion but believed it did involve radioactive elements.
North Korea fired two unidentified projectiles into the sea, said South Korea, in the latest launch that came shortly after US President Donald Trump said he had received a "very beautiful letter" from North Korean leader Kim Jong Un.
NATO Secretary-General Jens Stoltenberg, speaking at the Aspen Institute's annual security forum in the United States, said he was concerned at Turkey's expulsion from the F-35 programme.
The Italian police confiscated numerous weapons of war during a raid on right-wing extremists, including a three-and-a-half-metre rocket. It had been offered for sale to Ukrainian rebels.
Turkey seeks to have an integrated and complex layered air and missile defence system, which will be developed and built up both by national and foreign firms.
Iran has a wide variety of ballistic missile rockets and the Shia-majority country is using them as a trump card against hostile countries such as Israel and the US.
Both Iran and Saudi Arabia are advancing domestic arms programs in the region’s Cold War.
The sale would include 80 Patriot missiles, 60 other missiles and associated equipment, according to a Pentagon security cooperation agency.
Both US and Russia have been invoking the arms treaty that played a key role to end the Cold War by banning nuclear missile deployments in Europe. Here’s what’s at the heart of the controversy.
French newspaper Le Monde says it's seen a letter written by Saudi King Salman to French President Emmanuel Macron to express his "deep concerns" that Qatar is looking to purchase the air defense system, the S-400.
The names chosen include 'Peresvet,' after a medieval warrior monk, for a laser and 'Burevestnik,' after a seabird, for a cruise missile.
Turkey's Defense Minister Nurettin Canikli confirms that a deal to install Russian long-range anti-aircraft missile has been finalised.
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