North Korea Celebrates Founding Leader's Birthday

North Korea marked the birthday of its founding leader on Friday, with a rare "live" broadcast of celebrations in Pyongyang, but no sign of the military parade or weapons tests that many analysts had predicted.

Known as the Day of the Sun in the nuclear-armed North, the April 15 birthday of the late Kim Il Sung -- grandfather of current leader Kim Jong Un -- is one of the most important dates in Pyongyang's political calendar.

The official KCTV broadcast showed what it said were live images of a huge number of young North Koreans performing synchronised dance moves in Pyongyang's Kim Il Sung Square to celebrate the anniversary, with a fireworks display overhead.

Women dressed in colourful traditional attire and men in white shirts and black pants danced to Pyongyang's propaganda music, showing a mix of traditional Korean dance moves and western waltz.

"We endlessly love the socialism that we chose," a narrator said over the footage of the fireworks.

KCTV later showed multi-coloured fireworks near the North's scenic Taedong River as well as the Kim Il Sung Square, and what appeared to be missile and tank-shaped light installations in the nation's capital.

There has been a steady drumbeat of celebratory coverage in state media leading up to the day, including commemorative stamps, light festivals, dance parties and floral tributes.

"I came to see the lighting festival with my daughter. Looking at it today, it's really cool. The most impressive thing in particular is this one that says 'self-reliance'," Ri Bom Chol, a 40-year-old doctor, told an AFP reporter in Pyongyang.

The anniversary celebrations come three weeks after North Korea staged its largest intercontinental ballistic missile test ever -- the first time Kim's most powerful weapons had been fired at full range since 2017.

That test was the culmination of a record-breaking blitz of sanctions-busting launches this year and signalled an end to a self-imposed moratorium on long-range and nuclear tests.

Analysts along with South Korean and US officials had widely expected Pyongyang to mark April 15 with a military parade to unveil new weaponry, or even a test of the country's banned nuclear weapons.

But there was no mention Friday in state media of any such event.

Earlier Friday, Seoul-based specialist site NK News said its sources in the North heard helicopters and jets flying low over Pyongyang very early Friday, hinting at a military parade.

But an analysis of satellite imagery later suggested no parade had taken place, the site added.

Another expert said it now seemed likely Pyongyang's main military parade would be held on April 25 -- the anniversary of the founding of the North Korean army.

"Since the two anniversaries are just 10 days apart, it seems a bit difficult to hold a parade on both occasions," Yang Moo-jin, a professor at the University of North Korean Studies, told AFP.

On previous anniversaries, Pyongyang has broadcast footage of military parades on state TV many hours after the events were held, and not flagged them in advance in official newspapers.

Seoul military officials said they had no immediate information to share on a possible parade in Pyongyang, but the unification ministry said it was "closely monitoring" the situation.

Kim Il Sung died in 1994 but is the country's "eternal president", and his preserved body lies in state in a red-lit chamber at the Kumsusan Palace of the Sun on the outskirts of the capital.

North Koreans are taught from birth to revere Kim Il Sung and his son Kim Jong Il, and all adults wear badges depicting one or both men.

"As the days go by the yearning for the great leader is growing," Ri Gwang Hyok, 33, told an AFP reporter in Pyongyang as they visited statues of Kim Il Sung and Kim Jong Il.

"Love is forever," Ri said.