2015-08-13 15:09:09.0 (150813) -- TIANJIN, Aug. 13, 2015 (Xinhua) -- College student Gong Tao donates blood at a blood donation bus at Tianjin Railway Station in Tianjin, north China, Aug. 13, 2015. The death toll has climbed to 44 from two massive blasts that ripped through a warehouse in north China's port city of Tianjin as of Thursday noon, according to rescue headquarters. Twelve firefighters were among the dead. FOTO FENA/Xinhua/Yang Baosen