Mount Lewotobi Laki-Laki falls under Indonesia's second-highest alert level for volcanic activity, with a 5km exclusion zone in force around its crater.

Mount Lewotobi Laki-Laki falls under Indonesia's second-highest alert level for volcanic activity, with a 5km exclusion zone in force around its crater.

A highly active volcano in eastern Indonesia erupted several times on Friday, spewing towering ash columns into the sky and forcing a local airport to close, authorities said.