 In that spot, the water was deep and it was freezing cold, just a little above zero Celsius. Five people died, one of them a 14-year-old. The second largest methane leak ever started on June 9th of last year, and still in February 2024, they're working to seal it. In Kazakhstan, near the Caspian Sea, a company called Buzaki Neft was doing exploratory drilling and blew out their own well.