Thousands of sea snails are dying along a beach in Bangladesh. This has caused a stomach-churning stench, that is repelling tourists. Tourism officials said snails were washing up along a wide stretch of Cox's Bazar beach on the Bay of Bengal. Cox's Bazar, southeast of Dhaka, is the country's main tourist resort.

"One out of more than 300 species of sea snails are dying,' said Mohammad Zaher,a scientist with Cox's Bazar Sea Fish Research Institute. An investigation is underway and the cause of the deaths is not yet known.