An Istanbul prosecutor died from his wounds after security forces stormed the office where members of a far-left Turkish group took him hostage yesterday, killing his two captors. The Revolutionary People's Liberation Party-Front had published a picture of the prosecutor with a gun to his head and said it would kill him unless its demands were met.But Mehmet Selim Kiraz was shot three times in the head and twice in the body.Police chief Selami Altinok said authorities had established lines of communications with the hostage-takers, but had been forced to act when shots were heard from inside the room where Kiraz was being held.Kiraz was leading an investigation into the death in March last year of 15-year-old Berkin Elvan, who died after nine months in a coma from a head wound sustained in anti-government protests...