Images of logs swept out into flood-hit areas have circulated online, and experts have said deforestation and environmental degradation contributed to the floods and landslides, which have killed over 600 people in the country. JAKARTA: Indonesia will summon eight companies suspected of contributing to deadly flooding in North Sumatra’s Batang Toru watershed as part of efforts to trace the large number of logs swept away by recent floods in Sumatra. Images of the logs have circulated online,