Indonesia's Mount Sinabung spews ash 5 km high

Mount Sinabug in Indonesia's North Sumatra erupted on August 10.

Footage from Berastagi, Karo Regency shows the five-kilometre-high ash cloud that has filled most of the sky with the volcanic substance.

A level three alert was issued after the mountain was recording volcanic activity in recent days.

The footage was filmed by @zwqzwq93.