BERLIN (AFP) - The death toll from an outbreak of E. coli bacteria poisoning centred on northern Germany rose to 25 after two women, aged 88 and 74, died in Lower Saxony, authorities said on Tuesday. The women died on June 1 and May 31 respectively of complications linked to the enterohaemorrhagic E. coli (EHEC), the Lower Saxony officials said. All but one of the deaths reported since mid-May have occurred in Germany. The other fatality was a woman in Sweden who had recently returned from Germany. Authorities are yet to identify the source of the outbreak, which has left more than 2,300 people ill at least 14 countries. German consumers are advised to avoid raw sprouts, cucumbers, tomotoes and lettuce.Meanwhile, the European Commission said Tuesday it will ask EU states to release 150 million euros in aid to European vegetable producers whose sales have been decimated by a deadly bacteria outbreak.