Energy Update

MARIANA, Brazil, Nov 7 (Reuters) - Brazilian authorities late on Saturday were investigating a second suspected death after two dams at a major mine in the country's southeast burst and unleashed a massive mudflow that wreaked havoc across more than 80 km (50 miles).

(Repeats story published Friday to widen distribution) By Mica Rosenberg NEW YORK, Nov 9 (Reuters) - A near century-old statute that gives New York state prosecutors unusually broad authority to prosecute securities fraud could prove a powerful weapon as Attorney General Eric Schneiderman probes Exxon Mobil Corp over whether the oil firm mislead the public and shareholders about the perils of climate change. The 1921 Martin Act, a wide-reaching state law, was dusted off in the ea

MARIANA, Brazil, Nov 7 (Reuters) - As many as 10 people are still missing from the closest village to two collapsed dams at a mining complex in Brazil, the mayor of the nearby city of Mariana told journalists on Saturday, with 13 workers having gone missing when the dams burst.

SAO PAULO, Nov 7 (Reuters) - Brazil's state-run oil company Petroleo Brasileiro SA said on Friday two amendments to its contract to supply naphtha to Braskem SA, Latin America's largest petrochemical company are worth 950 million reais ($252 million).