Oil claws back after heavy selloff as supply concerns return

OPEC Secretary General Mohammad Barkindo said on Tuesday that the industry was "under siege" due to years of under-investment, adding shortages could be eased if extra supplies from Iran and Venezuela were allowed.

Oil claws back after heavy selloff as supply concerns return
OPEC Secretary General Mohammad Barkindo said on Tuesday that the industry was "under siege" due to years of under-investment, adding shortages could be eased if extra supplies from Iran and Venezuela were allowed.