London: Actress Angelina Jolie says she was so scared during an aid mission to Afghanistan that she wrote partner Brad Pitt a farewell letter.

Jolie, 36, who has six children with the 'Moneyball' star, said she was so frightened during the Afghanistan trip that she put pen to paper for a few final words, as reported.

"I had moments where I've been in a house and people have pounded on the doors and screamed at you and said, 'We know she's in there and we want her passport', and I've had moments recently when I went to Afghanistan, and I've got off the plane thinking, this is fine.'

"And then I got there and they said, 'The people are very angry with you. They are angry that you are a woman and you are American and you are with UNHCR (United Nations High Commissioner for Refugees), so you are the target'. And so they gave me a briefing and they said everybody needs to write their blood type down," she said.