Indonesia has sealed off palm oil plantations operated by 64 companies over forest and peatland fires that have spread haze around the region, suspecting some of them of deliberately causing them, a government official said Wednesday.Environment and Forestry Ministry official Jasmin Rahil Utomo said that of the total, 20 are foreign-invested companies, mostly from Malaysia and Singapore. Five of them been named as suspects as hotspots have been detected in their concessions.The fires have so far razed more than 328,700 hectares of land across the country, mostly on the islands of Borneo and…READ FULL ARTICLE