The US is preparing to begin direct talks with Iran on the security situation in Iraq, The Wall Street Journal (£) reported, citing senior US officials.
The newspaper said the talks are expected to begin this week, after Sunni militants gained control of large areas of northern Iraq.
It comes as the US and other world powers strive for an agreement with Tehran to curb its nuclear program.
The Foreign Secretary has been clear on the threat of Isis, but he has ruled out the prospect of any UK military involvement in the crisis.
Iraq’s foreign minister, Hoshyar Zebari, is a natural diplomat. Polite, immaculately dressed, and blessed with a great memory.
Isis has paraded military equipment in Mosul it captured from when the Iraqi army fled in what some see as a "nightmare scenario."