Indonesia's Mount Ibu volcano spews ash five kilometres into the sky

Indonesia's Mount Ibu volcano spews ash five kilometres into the sky

A tower of ash more rises more than five kilometres into the sky as eastern Indonesia's Mount Ibu experiences one of its largest eruptions this year.

Authorities have called on people not to go within five kilometres of the volcano, which is one of Indonesia's most active and erupted more than 21,000 times last year.