Five British hostages who were seized in Baghdad more than a year ago are still alive, Iraq's most senior security official believes.
Mowaffak al-Rubai'e told the BBC: "We have a very good, strong intelligence telling us they are alive and we roughly know the area where they are.
"But we don't want to be aggressive in our approach, not to risk their lives."
Armed militants seized the men - a computer expert and four guards - at Iraq's Ministry of Finance in May 2007.
One of them has been named as IT consultant Peter Moore, from Lincoln, who was working for Bearingpoint, an American management consultancy.
The other four men, who were employed by a security firm to guard Mr Moore, have not been officially identified.