TIANJIN - The death toll from a warehouse blast in north China's Tianjin has risen to 121, including 67 firefighters and seven policemen, authorities said at a press conference on Saturday.

Friday afternoon the figure was 116. A total of 54 people remain missing, including 37 firefighters and four policemen, more than a week after powerful explosions ripped through warehouses in Tianjin Port on the night of August 12.

A total of 640 people remain in hospital, including 48 critically injured. More than 151 people have been discharged.

Tianjin Police have conducted DNA tests on the 121 killed in the blast, only two of whom are yet to be identified.