Pregnant Jolie dons helmet and flak jacket to tour Baghdad's mean streets

Angelina listens to a US State Department official about the work in Iraq

Angelina listens to a US State Department official about the work in Iraq

During her trip Jolie dined with U.S troops stationed within the Green Zone, met General David Petraeus, the top U.S commander in the country, Iraqi Prime Minister Nouri al-Maliki and Iraqi migration officials.

The visit comes amid reports Angelina and Brad have increased security at their LA home after daughter Shiloh was targeted by kidnappers, it was claimed today.

According to a US report, a chilling note was left at the door of one of the superstar couple's houses.

It included a photo of the 20-month-old tot - alongside the warning: "We got this close already." An insider said: "They're freaked out.

Angelina spoke to CNN about her work in Iraq "Shiloh has someone protecting her 24-7, and Brad and Angie are trying to avoid taking her out of the house."

The insider added: "Someone got to their doorstep and left a threat against Shiloh.

"The person included a photo of her, and a note that read, 'We got this close already.'"

The note was left in early January, a US celebrity magazine claimed.

The insider was unable to reveal which house belonging to Pitt, 44, and Jolie, 32, was targeted, because of security reasons.

Shiloh - the couple's only biological child - has not been photographed in public since January 4, according to Life & Style magazine.

Last November, two shots were reportedly fired outside their Los Feliz, California home.

The insider added: "Brad and Angie will do whatever it takes to protect the children.

"There have been frequent threats against their kids, but this time someone just got too close.

"They are by far the most security-conscious celebrities in the world."