Agence France-Presse: Australia launched an inquiry on Thursday into a major oil spill off its coast which has been described as one of the country’s worst environmental disasters. Retired senior civil servant David Borthwick was appointed to probe the leak, which gushed from a damaged oil well in the Timor Sea for some 10 weeks and then burst into flames before finally being contained on Tuesday. “I simply say that we aspire to learn from this incident and take any necessary steps to stop similar …