Four men have been executed in Iran for gang-raping a woman in front of her husband who was tied up and made to watch. The horrific attack took place while the couple were climbing a mountain in the Khorasan Razavi province and the men were hanged on Monday after an extensive police investigation. Ruhollah Javidi Rad, Mohammad Sayadi Baghansgani, Mohammad Hosseini and Mohammad Watandoost were identified by Fariman police and were charged with the kidnapping and rape of a woman and with threats of violence towards a man. Four men have been executed in Iran for gang-raping a woman in front of her husband after he was tied up and made to watch. Pictured: people protest against Iran's capital punishment in Belgium