Iran claims to have missiles that can travel 2,000 kilometres, placing much of the Middle East, including Israel, within range.
Saudi-led military coalition says Iran-allied Houthis launched a ballistic missile toward Riyadh and three booby-trapped drones toward the province of Jizan, with a number of other drones being monitored.
Pyongyang did not appear to put on show any of its ICBMs, unlike at its previous parade in October, when it revealed a huge new ICBM on an 11-axle vehicle that analysts said was the largest road-mobile, liquid-fuelled missile in the world.
A barrage of North Korean missiles fired from both the ground and fighter jets splashed down on the waters off the country’s east coast, a show of force on the eve of a key state anniversary in the north and elections in the rival south.
Iran has been rehearsing its response to the United States for two years - and this might just be the tip of the iceberg.
The launches followed statements of displeasure by top North Korean officials over the slow pace of nuclear negotiations with the US.
US-Russia missile sabre-rattling in the Arctic sends threatening political messages but the bigger threat is its lasting environmental damage.
Thursday's missile tests were the first since Kim and US President Donald Trump agreed to resume nuclear talks during an impromptu meeting last month in the demilitarised zone between North and South Korea.
Russian president suspends Moscow's obligations under the terms of the Intermediate-Range Nuclear Forces treaty and says the hold would remain in place "until the US ends its violations of the treaty or until it terminates."
Both Iran and Saudi Arabia are advancing domestic arms programs in the region’s Cold War.
Images released by the Colorado-based company DigitalGlobe suggest a rocket launch was conducted at the Imam Khomeini Space Center in Iran's Semnan province between Tuesday and Wednesday.
In his state of the nation speech, the Russian president said a newly developed nuclear-powered cruise missile tested last year has a "practically unlimited" range, high speed and is easily manoeuvred.
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