Indonesia’s Mount Lewotobi Laki Laki volcano on the remote island of Flores in East Nusa Tenggara province spewed towering columns of hot ash high into the air since its initial huge eruption on Nov. 4, killed nine people and injured dozens of others.

Dozens of flights to and from holiday island Bali in Indonesia were grounded as a volcano spewed a six-mile ash plume into the sky on Wednesday. Thousands of passengers were left stranded as airlines in Australia,