Vale has reached out to Petrobras for help in dealing with a possible oil leak from Polaris Shipping's Stellar Banner as it lays partially submerged in waters off the coast of Brazil.

The severely listed 300,630-dwt iron-ore carrier (built 2016) has been stranded 100 km off the city of Maranhao, outside Ponta da Madeira Maritime Terminal's access channel, since Wednesday morning.