KAMPALA, Uganda—Two loud explosions rocked Uganda’s capital, Kampala, early Tuesday, sparking chaos and confusion as people fled what is widely believed to be coordinated attacks. One blast was near a police station and another on a street near the parliamentary building, said witnesses. The explosion near parliament appeared to hit a building housing an insurance company and the subsequent fire engulfed cars parked outside. Some lawmakers were seen evacuating the precincts of the parliamentary building nearby, according to national broadcaster UBC. At least 24 people have been hospitalized with injuries sustained in the blasts, Emmanuel Ainebyoona, a spokesman for the Ministry of Health, said in a Twitter post. Four of them are critically injured, he said. An eyewitness video posted online showed a plume of white smoke rising from the blast scene near the police station. Police did not immediately comment, and it was not clear if the explosions were …