A thirteen month-old boy fell to his death at a northern hospital Wednesday night, according to VnExpress.

Vu Gia Hieu was playing on a bed next to the fourth story window of Thanh Hoa Children's Hospital. There were no bars on the window.

Hieu was unconscious after falling and was rushed to the Emergency Department where he died one hour later.

The boy's father, Vu Manh Son, said his wife and another person were looking after the baby but he climbed on the window too fast for them to stop him

It's about 40 centimeters from the bed to the window.

Hieu was admitted to the hospital on November 28 for respiratory treatment.

Police are investigating the case further.