K-POP star MoonBin, part of the South Korean boy band ASTRO, has died at age 25.
The ASTRO singer was found dead in his apartment in the Gangnam-gu district of by his manager on Wednesday evening, according to South Korean media outlets.
ASTRO's record label Fantagio Music released a statement on : "On April 19th, Astro member Moonbin suddenly left us and became a star in the sky.
"Although it cannot be compared to the grief of the bereaved families who lost their beloved sons and brothers, the Astro members who have been with us for a long time, as well as our Fantagio fellow artists and executives, are deeply mourning the deceased in great sadness and shock.
"My heart hurts even more to deliver this sudden news to the fans who have supported Moonbin and sent generous love."
"I am more heartbroken because I know the heart of the deceased who always loved and thought of his fans more than anyone else."
A cause of death was not immediately made available.
MoonBin was part of the ASTRO spin-off duo, MoonBin & San-ha alongside Yoon San-ha.
The duo was currently on their DIFFUSION tour after beginning with a two-day concert in Seoul on March 18 and 19.
Their stop in Jakarta, Indonesia, which was set to be held on May 23, has since been canceled, according to .
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The announcement read, "After long discussion and consideration, we have to cancel this event due to unforeseen circumstances beyond our control that we could not avoid."
MoonBin's first known appearance in a music video came in 2006 when he appeared in TVXQ's video for their song Balloons.
A child model before he became a pop culture phenomenon in South Korea, MoonBin was a trainee of Fantagio since he was in the fifth grade.
MoonBin and the other members of ASTRO made their first appearance together in the South Korean TV drama To Be Continued in 2015.
A year later, the boy band debuted in the music scene in February 2016 with six members with the release of their five-song album Spring Up, which included the hit single Hide & Seek.
That same year they were named one of the best new K-pop acts by Billboard.
ASTRO released their latest album, Drive To The Starry Road, last May.
Member ROCKY departed the K-pop group earlier this year, with Fantagio Music explaining that the band would “continue as a five-member group in the future.”
MoonBin was the older brother of Moon Sua, a member of the K-pop girl group Billlie.