hotels and other sites killed almost 7,000 people. mallika kapur joins us live from mumbai. first of all, tell us, i know there was a lot of people during rush hour. what do we know about this? what are you seeing? reporter: the explosions took place in three areas, three very, very busy commercial areas. they took place a little over an hour ago, three of them within 15 minutes of each other. we have heard from the prime minister just a few minutes ago, and he has confirmed there were three improvised devices used, and those are the ones that set off the blasts. before that was, they were still not sure what had caused the blasts. there was lots of speculation. but they say they were improvised devices that were used. there is a sense of fear in the streets at the moment. people still waiting to find out how many people have been injured, how many casualties. there are various reports at the moment because it s just been about an hour since these explosions took place. som