Eighty-three international routes were cancelled on Wednesday, the general manager of Bali's international airport said in a statement, after Mount Lewotobi Laki-Laki spewed a 9km tower of ash into the sky. The volcano has erupted more than a dozen times over the last two weeks, killing at least nine people and forcing the evacuation of thousands.

Indonesia and particularly Bali are ridiculously popular holiday destinations. However, t he islands (of which there are about 17,500) are home to around 130 active volcanoes –