A large explosion occurred at a varnish factory at around 01:00 pm local time in Tuzla district of Istanbul, Turkey. After the explosion, the factory was burst into flames. As a result of the explosion, 3 workers lost their lives and 9 workers were injured. The moment of the explosion at the factory was reflected on mobile phone cameras. In the video images, it was seen that an explosion occurred in the factory and the people around ran away in panic.