He Shushan (2nd L), deputy mayor of Tianjin, speaks at a press conference in Tianjin, north China, Aug. 17, 2015. Most of the sodium cyanide surrounding the Tianjin blast area will be collected and cleared by Monday evening, He said here Monday morning. The chemicals were scattered mostly within a 100,000-square-meter core area. Monitoring has shown air quality in the area and water in the nearby river are within safe standards. (Xinhua/Zhang Chenlin)
TIANJIN, Aug. 17 (Xinhua) -- Thousands of rescuers, soldiers and medics have been mobilized to search for the missing, clean up toxic chemicals and treat the injured after last week's Tianjin explosions.