These are the works of a young Iranian woman, convicted of murder at the age of 17, who spent her days on death row painting. Christened "The prisoner of colours", Delara Darabi, who protested her innocence after she was sentenced, was hanged in Rasht prison last Friday. This is her story in images...

As Amnesty International publishes a report on the global state of capital punishment, the media reminds us of China's unusual "mobile" method. Convicts are given a lethal injection — on a bus. Read more...