A five-year-old suffered from post-traumatic stress disorder after she was almost separated from her Malaysian mother when barred from boarding a flight to Malaysia, her mother said.

Her mother, Dr Yap Chng Yung, said she had opted to return home from Taiwan to serve the Health Ministry as a dental officer.

However, her daughter, who was born in Taiwan, was barred from boarding the flight because the girl was not Malaysian.

This is despite...