Rescuers used underwater robots with high-definition cameras to try to locate a bus that plunged into the Yangtze River in southwest China’s Chongqing Municipality on Sunday. The bus, which had more than 10 people aboard, has not yet been located. Divers are also taking part in the search operation. Two people were confirmed dead as of 8:00 p.m. on Sunday. Further investigation into the cause of the accident is underway.