People help move the injured firefighter to an ambulance. The residential building housing a warehouse in Harbin, capital city of Northeast China's Heilongjiang province, suddenly collapses at around 10 pm, January 2, 2015. [Photo/CFP]

The 14 injured firemen were rushed to hospital. Three of them were in critical condition.

The warehouse is part of a 11-story residential building. The first to third floor are used as warehouses and the rest eight floors are residential areas.

The fire, which broke out at about 1 p.m., has yet to be put out. Residents nearby have been evacuated.