Dead red-coal seals were revealed on the banks of the Caspian Sea in Derbent, TASS reported in the Ministry of Environment Dagestan. This is the third case for half a year in the region.
Earlier in the social networks, a video appeared, where several dead animals were found on the Caspian coast without visible external damage. In early May, more than 170 cottages were recorded there, and before that, in December 2020.