The US said it will send "fewer than 100 soldiers" to bolster security at its embassy in Baghdad, as it moves some of its workers out of the Iraqi capital.
Marines and other soldiers will make up the enhanced security personnel, a US military official said.
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."