Exhausted firefighters took rest on the ground at the Tianjing Blast site after 30 hours of rescuing on Aug 14.

Over 800 officers and soldiers are reportedly still working at the blasts area and over 140 fire trucks are in operation.

So far, the death toll has risen to 56, including 21 firemen, 721 others were hospitalized, including 25 critically wounded and 33 in serious condition, according to the rescue headquarters.