The haze from uncontrolled fires in Indonesia has spread to Thiland and the Philippines as smog-shrouded Southeast Asian countries brace for a tourism slowdown.

Australia, the United States, Britain, Germany and Denmark have issued travel advisories warning their nationals about the impact of the smog.

President Suharto, has apologised to neighbouring countries saying the fire are a national disaster.

Schools and airports throughout the region have been closed and at least 50,000 Indonesians have sought medical treatment.