during a Shiite procession near a place of worship in Dhaka , Bangladesh . - A bomb explodes during a Shiite procession near a place of worship in Dhaka , Bangladesh . One person is killed and 60 others are hurt , according to the Dhaka Tribune .
Given low enough temperatures and high enough pressure , methane and water can freeze together into what ’s called a " methane hydrate . " Permafrost keeps everything bottled up , but when it thaws , so does the hydrate . Methane is released as a gas , building up pressure — until the ground explodesconflict.attack.na. Scientists gained more evidence for this theory after an expedition to the bottom of the crater . It revealed the air had an extraordinarily high concentration of methane .