US forces recently came close to capturing Jordanian militant Abu Musab al-Zarqawi in Iraq, the head of the US Joint Chiefs of Staff has said.
Zarqawi is the most wanted insurgent in Iraq
"We were close," Gen Richard Myers told a news conference.
He did not confirm media reports that say Zarqawi narrowly escaped capture in February as he headed for the western city of Ramadi.
Zarqawi, Iraq's most wanted rebel, has claimed responsibility for many bombings and beheadings in Iraq.
"I think in general the intelligence is getting better. Having said that, we still don't have Zarqawi," said Gen Myers, who would not be drawn on details regarding the operation.
US forces did manage to seize a computer belonging to Zarqawi, media reports say.