Heavy rain has been affecting northern Sumatra Island (in particular the Aceh Province) since 17 May, causing river overflow and floods that have resulted in widespread damage.
The Indonesian National Board for Disaster Management (BNPB) and the ASEAN Disaster Information Network (ADINet) report, as of 17-18 May, 4,443 affected people and 991 damaged houses across Aceh Singkil Regency (Aceh Province).
Over the next 24 hours, more heavy rain is forecast over most of Sumatra Island.