Police are still investigating the cause of a deadly road accident on the Portuguese island of Madeira.

A total of 17 women and 12 men were killed in the incident after the vehicle left a steep road on Wednesday in the coastal town of Canico.

The Portuguese driver, the tour guide and 25 other people were injured.

Many who died were retired.

Autopsies and autopsies were carried out on the victims, confirmed the Portuguese Ministry of Justice.

A survivor injured in the accident is transported in an ambulance to be driven to the Madeira International Airport

But authorities are still waiting for data, including fingerprints and dental records, before they can officially identify the bodies.

According to the German newspaper Bild, 29 German tourists who survived the accident ended up in Germany without a hitch. A medical flight also brought 12 survivors home.

Aerial footage of the accident show the bus in a house

The bus crossed the slope leaving the road

Eleven wounded Germans have already been discharged from hospital, another was transferred to Germany on Friday and another will remain in hospital in Funchal, capital of Madeira, until further notice.

The driver and the tourist guide remain under observation at the hospital of Funchal.

17 women and 12 men were killed in the incident

The bus company owning the vehicle involved in the accident said that it was cooperating with the authorities to conduct investigations.