By a Staff Reporter: A huge explosion in Tokyo has created a lot of excitement. The blast reportedly occurred in a building on the west side of Tokyo's JR Shimbashi station. It is known that the second floor of the building caught fire as a result of the explosion. The area has many offices and restaurants. As a result, the fire is expected to spread quickly. Shards of glass are strewn across the road. The fire brigade has already reached the spot. Rescue operations are underway.