(Singer-turned-actress Sulli's Instagram)

Singer-turned-actress Sulli was sent to the emergency room in Seoul National University Hospital on Thursday morning.

Sulli reportedly received medical treatment for about 30 minutes before leaving the hospital.

Her agency S.M. Entertainment told local media that she had an injury on her arm. The hospital refused to reveal the actress’ medical record, calling it a “private matter.”

Sulli filmed the upcoming thriller movie “Real” and will partner with actor Kim Soo-hyun. The film eyes a release in local theaters in January 2017.

By Son Ji-hyoung (json@heraldcorp.com)