Anak Krakatau, which lies about 150km from the capital Jakarta, began erupting late on Friday.

More than 20,000 passengers are stranded after ash was detected in airspace near Jakarta following volcanic eruptions.

Earlier, media reports said that the Tatarstan-based company Aerokon had demonstrated a prototype of an interceptor drone capable of reaching speeds of up to 1,000 km/h. The drone acquires its target ...