The body of Shokri Belaid, a prominent Tunisian opposition politician, is carried into an ambulance after he was shot, in Tunis February 6, 2013. A prominent Tunisian opposition politician was shot dead outside his home on Wednesday, in a killing the prime minister condemned as a political assassination and a strike against the "Arab Spring" revolution. Prime Minister Hamadi Jebali said the identity of the killer of Shokri Belaid, a staunch secular opponent of the moderate Islamist-led government, was unknown. REUTERS/Zoubeir Souissi