US sanctions Iran's oil minister, upping ante in standoff

Iranian oil minister Mohsen Paknejad with working gear, undated, Iran
Iranian oil minister Mohsen Paknejad with working gear, undated, Iran

The US Treasury slapped sanctions on Iran's oil minister Mohsen Paknejad on Thursday, putting to one side its usual practice of sparing senior political figures and escalating Washington's standoff with Tehran over its disputed nuclear program.