Mount Anak Krakatau erupted late on Sept 4, prompting concerns for safety. Citizens from Singapore who are in Indonesia have been advised to take precautions. They are urged to stay safe and minimise outdoor activities.

Details of the eruption and its impact are available from the source. The eruption of Mount Anak Krakatau began on Sept 4, and further information can be found through official channels.

The situation is being monitored, and those in the area are cautioned to exercise caution and follow safety guidelines to ensure their well-being.