A giant volcanic eruption in Indonesia has triggered emergency evacuations and grounded dozens of international flights. Mount Lewotobi Laki Laki, a twin volcano located in the southeastern part of the island of Flores,

A family returns from their village home in Hokeng Jaya to the Bokang Wolomatang evacuation center in Flores, Indonesia, on June 19. The authorities have banned leaving the evacuation center for safety amid the eruption of the active volcano Mount Lewotobi Laki-Laki. (Photo supplied)

One of Indonesia's most active volcanoes spewed a huge ash cloud more than 11 kilometres into the sky on Tuesday after officials issued the country's highest alert.Mount Lewotobi Laki-Laki, erupted at 17:35 local time (10:35 BST),