US light crude for May settled up 70 cents at US$69.32 a barrel, about US$1.50 from the US record hit last August.
Attention was focused on Iran, which said yesterday it would not back away from sensitive nuclear work, after announcing this week it had enriched uranium to a level used in nuclear power stations.
"Our answer to those who are angry about Iran obtaining the full nuclear cycle is one phrase. We say: Be angry and die of this anger," President Mahmoud Ahmadinejad said on Wednesday, in comments reported by the official IRNA news agency.
The IAEA's leader, Mohamed ElBaradei, said in Tehran today he could not confirm Iran had successfully enriched the uranium. He has called on the Islamic state to suspend enrichment and return to diplomatic negotiations.




