ROUGH CUT (NO REPORTER NARRATION)<br/> <br />Protesters threw fireworks and petrol bombs at riot police at a protest in Istanbul's Kadikoy district as rage grew over the mine explosion that killed at least 283 people in Soma, 480 km (300 miles) southwest of Istanbul.<br/> <br />Rescuers were still trying to reach parts of the coal mine in Soma, more than 48 hours after fire knocked out power and shut down the ventilation shafts and elevators, trapping hundreds underground.<br/> <br />At least 283 people have been confirmed dead, mostly from carbon monoxide poisoning, and hopes are fading of pulling out any more alive of the 100 or so still thought to be inside.<br/> <br />Anger has swept a country that experienced a decade of rapid economic growth under Prime Minister Tayyip Erdogan's Islamist-rooted government but still suffers from one of the world's worst records for workplace safety.<br/> <br />Four of Turkey's labor unions called for a national one-day strike, furious at what they see as a sharp deteriora
