Mount Ibu Erupts, Sends Ash Clouds 5 Kilometers into Sky

Indonesian authorities maintain highest alert level as volcano shows increased activity since May.

Mount Ibu erupted for two minutes, spewing grey ash and red lava.
No new evacuations were ordered, but seven villages had been evacuated earlier.
Authorities advise maintaining a 7 km exclusion zone around the crater.
Indonesia has 120 active volcanoes and is part of the seismically active 'Ring of Fire'.
Recent eruptions in Indonesia have led to significant evacuations and fatalities.