Delhi: Six people were killed and 15 were injured in factory blast in Gujarat’s Vadodara on Saturday. The Vadodara fire department has sent a team of rescuers and fire engines at the spot. The factory is located in Padra area of Vadodra. As many as five ambulances are at the spot. Over dozen people have been successfully rescued from the blaze and rushed to a nearby hospital. The exact cause of the blast is being examined, the officials at the spot said. Out of 15 people injured in the factory blaze, seven people are said to be in critical condition. The rescue operation is still underway.