Mumbai, India's financial capital was hit Wednesday with three powerful explosions that killed at least 21 people and injured dozens more. The three separate attacks happened during rush hour, which contributed to the high number of deaths and injuries. This is the fourth attack on Mumbai since 2003. India's home minister warned that the death toll could possibly rise as more searches continue for more bodies. The busy city was put on high alert while the injured were rushed to hospitals. The close timing of the three explosions indicates they are most likely related, officials said. The three explosions happened between 6:30 pm and 7 pm, the peak of when workers throughout the city are heading home. The district hit is famous for trading diamonds and gold and sees great trading activities during the day all through the evening. “We know that the powerful explosives were planted in a scooter and a motorcycle, and 81 people with injuries are being treated in hospitals,” said Prithviraj Chavan, chief minister. No group has claimed responsibility for the attacks. The last attack that hit the city was in 2008, and claimed more than 166 lives. It targeted two hotels, a Jewish religious center and a train station, and investigations blamed it on militant groups. The United States has condemned the terrorist attack and announced that it is monitoring the situation. “We are continuing to monitor the situation, including the safety and security of American citizens,” Foreign Secretary Hillary Clinton said. “Our hearts are with the victims and their families, and we have reached out to the Indian Government to express our condolence and offer support.” she added. Clinton announced that she will be heading for India to India next week as part of her planned Asia tour. “I believe it is more important than ever that we stand with India, deepen our partnership, and reaffirm our commitment to the shared struggle against terrorism.” BM