At least one person was killed and another seriously injured when a blaze at a firework factory in Bulgaria set off a series of explosions.<br /><br />Reports suggest there were two tons of explosive TNT in a warehouse.<br /><br />Authorities said a 49-year-old man died of injuries while his 20-year-old daughter is in critical condition. Two men, a 22-year-old and a 60-year-old, remain unaccounted for.<br /><br />Residents told local media that smaller bangs continued through the night and into Friday morning. <br /><br />The area, surrounded by farmland, was closed off and military helicopters scanned the scene, a witness said.<br /><br />#Bulgaria #fireworks #factory #explosion #Europe
