Brad's Daughter Knocked Dizzy by Bungling Babysitter!

Furious Pitt launches NEW CUSTODY WAR with absentee Angie

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BRAD PITT’S custody battle with Angelina Jolie has escalated into World War 3 — after her caretaker dropped their 8-year-old daughter and she hit her head!

Shocking photos obtained exclusively by The National ENQUIRER show the mystery minder putting little Vivienne over a spiked fence, sending her crashing to the ground!

A dazed Vivienne sat slumped against the wrought-iron railing in London’s Hyde Park for nearly 10 minutes before she stood up, according to a horrified eyewitness.

In yet another disturbing photo, the clueless baby sitter is seen riding a rental bike with Vivienne’s twin brother, Knox, leaning on the handlebars — in a bag holder marked with a label warning that it’s not safe for children!

Worst of all, “doting” mom Angie was thousands of miles away in Switzerland for the day!

“When Brad heard about all this, he was fit to be tied!” spilled a source close to the 53-year-old “Allied” hunk.

“Those kids could have been hurt badly!”

The frightening scene provided a troubling picture of Angie’s parenting approach, given her public accusations against Brad.

Her allegations of child abuse were rejected by both the Los Angeles County Children and Family Services Department and the FBI — but she still tried to paint Brad as a bad dad and violent drunk!