Singapore's largest supermarket chains are temporarily banned paper products from Asia Pulp & Paper Group (APP) after the company failed to show proof they are not involved in forest fires in Indonesia.

As it is known, the smog disaster that hit Indonesia has expanded to Singapore and Malaysia. Local union Singapore NTUC FairPrice said it had made the decision after the Singapore Environment Council (SEC) to suspend the certification of "green" paper products from APP.

The non-governmental groups that run a campaign to raise consumer awareness about the causes of smog. During this time the people of Singapore have been made angry and demanded to the discovery of the causes behind the forest fires that is causing the haze.

The SEC said the APP which is part of the Sinar Mas Group of Indonesia as a major paper supplier, pulp and packaging products in Asia failed to show them using environmentally friendly materials. But APP said, has been providing information to the National Environment Agency (NEA) of Singapore-related subsidiaries and suppliers.

"APP is committed to working with stakeholders including the NEA, the SEC and others to address the causes of forest fires," said Director of Sustainable companies Aida Greenbury told Reuters.

Industrial wood, paper, and pulp and oil palm blamed for cases of forest fires on the islands of Borneo and Sumatra.