(Bloomberg) -- European natural gas prices rose as forecasts for colder weather added to rising tensions in the Middle East, following the seizure of a ship over the weekend. Most Read from BloombergThe Doomed Mission Behind Sam Altman's Shock Ouster From OpenAIMicrosoft Ends Weekend of OpenAI Drama With Coup of Its OwnOpenAI Leaders' Efforts to Bring Back Altman Reach Impasse Over Board RoleOpenAI’s Murati Aims to Re-Hire Altman, Brockman After ExitsOpenAI Board Urged by Microsoft, Investors to