At least six people have been killed in a double suicide car bombing in northern Iraq near the Syrian border.
The bombs exploded near a military base in Sinjar, about 120km (75 miles) north-west of Mosul, officials said.
Many of those killed and injured are civilians working at the Iraqi base, a director of Sinjar hospital said.
Meanwhile, a new website posting, allegedly from a group led by Abu Musab al-Zarqawi, says the insurgent leader is in good health.
None of the recent claims published on the internet regarding Zarqawi's health can be verified, but the Iraqi government says it has information confirming that he has suffered injuries.
At least 58 people are said to have been wounded in the most recent attacks, which happened as soldiers entered the base at the start of the working day.
"The first car exploded at 0820 (0420 GMT) at the entrance to the base used by Iraqi soldiers and border guards," said police Colonel Qassem Jaber.
"A few minutes later, the second bomb exploded in the same place."
The Iraqi army is frequently targeted by insurgents, who regard its soldiers as collaborators with the US military.
More than 20 people have been killed across Iraq in the last 24 hours.