One person was killed and another injured after a firework factory exploded in Bulgaria. The explosion took place on Thursday evening in the town of Elin Pelin near the capital, Sofia, sending mushroom clouds into the evening sky, some flecked with the reds and whites of exploding fireworks. The interior minister, Kalin Stoyanov, said a 49-year-old man died of injuries sustained in the fire and his 20-year-old daughter was in critical condition in hospital. Two men, a 22-year-old son of the warehouse owner and a 60-year-old employee, were believed to have been in the warehouse and remained unaccounted for, he said
