Hong Kong singer Shirley Kwan, who has been out of the public eye for several years, has reportedly been hospitalised and admitted to the intensive care unit (ICU) for emergency treatment.

According to an exclusive report by Hong Kong magazine East Week on Oct 7, her son Kwan Chun Yin has returned from the United States and has been keeping watch over her for several days at Hong Kong’s Ruttonjee Hospital.

The 23-year-old was reportedly seen sobbing while hugging his knees on a hospital bench. Shirley Kwan’s father and relatives were also spotted taking turns to visit her, according to East Week.

Hong Kong’s Oriental Daily News, quoting from sources, said she was sent to hospital after fainting suddenly at home last week.

The 59-year-old shot to fame in 1989 with her classic song Happy Are Those In Love, and was later known for hits such as Lovers Underneath The Stars and Cuddling Underneath The Stars. She was established as a music diva alongside Hong Kong singers Faye Wong and Sandy Lam during the 1990s.

Kwan’s popularity was reaching its peak when rumours of her erratic behaviour surfaced, causing her career to stagnate.

She disappeared from the music scene in 2001 due to pregnancy and gave birth to her son in Canada the following year. In 2005, she admitted to having a child out of wedlock, but did not disclose the identity of her son’s father.

It was not until 2014 that she revealed on social media that her son’s father was a Bhutanese religious teacher, and accused the man of not showing any concern for her and their son the whole time.

Kwan has also been involved in several controversies over the years.

She sparked a scare in 2012 when she left a suicidal note on social media before returning online a few days later to thank fans for their concern. In 2016, she was rescued from the sea near a beach and said later that she fell accidentally into the waters.

In 2017, she was arrest...