Chief Executive Carrie Lam will set up an independent commission of inquiry to investigate tonight's Tai Po bus accident in which 18 people died.

Speaking to the media after visiting the accident's survivors in Prince of Wales Hospital, Mrs Lam said the Government is deeply grieved over the serious accident.

She said the inquiry will be led by a judge and will provide recommendations to ensure the safety and reliability of the public transport system.

Police are investigating the accident and will take action if illegalities are found, Mrs Lam added.

Chief Secretary Matthew Cheung visited Alice Ho Miu Ling Nethersole Hospital and Kwai Chung Public Mortuary.

He said the family of each of the deceased is being provided with emotional support by two Social Welfare Department officers and a Red Cross volunteer or Police.

Police have opened a casualty hotline (1878 999) for enquiries. The Social Welfare Department's hotline (2343 2255) for counselling is also open.