Sri Lanka, March 17 -- The South Korean singer Wheesung has died aged 43, with police reportedly planning to conduct an autopsy to determine his cause of death.

The singer, whose name was Choi Whee-sung, was found unconscious in his apartment on Monday night by emergency responders after his mother called for help, local media reported.

Police told local media they had found no signs of foul play but warned that "a significant amount of time" had elapsed since he died, with an autopsy requested.

"Artist Wheesung has left us," his management agency Tajoy Entertainment confirmed on Tuesday, describing their staff and colleagues as being "in deep sorrow".

Wheesung, who had a string of hits in South Korea including a popular cover of Brit...