JAKARTA (Reuters) -Mount Lewotobi Laki-laki in Indonesia's East Nusa Tenggara province erupted on Tuesday, spewing a towering ash cloud 11 kilometres (6.8 miles) high, the country's volcanology agency said.

The ashes expanded into a mushroom-shaped ash cloud that could be seen from the cities located 90 kilometers to 150 kilometers from the mountain.

Mount Lewotobi Laki Laki volcano in south-central Indonesia erupted Tuesday, spewing towering columns of hot ash into the air. Authorities raised the eruption alert to the highest level and expanded the danger zone to 8 kilometers (about 5 miles) from the crater.