Mount Marapi eruption: Indonesia volcano spews ash 3km into sky

The most active volcano on the western Indonesian island of Sumatra has erupted.

Sped-up footage shows Mount Marapi spewing a huge tower of ash 3km (around 10,000ft) into the air, as authorities raised the alert to the second-highest level. The volcanic ash spread widely and blanketed roads and cars.

At least 11 climbers were found dead following the eruption, a rescue official said, and a search to find 12 more missing was temporarily stopped over safety concerns.

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