Millions of Indonesians risk health complications from exposure to thick haze covering several cities and towns, officials said Wednesday, as El Niño-fueled wildfires wreak havoc on Borneo and Sumatra. Fires between January and July burned more than 200,000 hectares of land, an area three times the size of the capital Jakarta, the government said last week. Key points and original sources are listed below.

• Millions of Indonesians risk health complications from exposure to thick haze covering several cities and towns, officials said Wednesday, as El Niño-fueled wildfires wreak havoc on Borneo and Sumatra.S1

• Fires between January and July burned more than 200,000 hectares of land, an area three times the size of the capital Jakarta, the government said last week.S2