A 'senior Iranian official' cited by RTRS:

  • Some in talks are walking back from agreements made in April in Lausanne when interim accord agreed
  • Some in talks have changed positions since last night on several issues in nuclear talks
  • Looks forward to seeing whether the US is prepared to abandon its 'obsession with sanctions'

The 'some' is certainly the US. Sounds like talks could hit a big snag and that would give oil a lift back above $55.