Paris, Oct. 23 -- International Energy Agency Chief Fatih Birol has warned that the world is soon running out of buffer to keep energy prices at current levels as fuel prices continue to face relentless pressure from the US-Iran conflict.

Speaking to Al Jazeera Birol said, "I really hope that both of the straits will be unconditionally opened sometime soon; otherwise, in the energy world, we don't have much more buffer zones to still keep the prices at a certain level as we have today."

Birol's warning comes even as the US President Donald Trump on Thursday signalled that Washington could intensify its pressure campaign in Iran if necessary.

"This should have been done a long time ago by other Presidents. We've knocked the hell out of ...