Firefighters arrived at the port at around 11:06 pm following a report that containers were on fire, Zhou Tian, head of Tianjin's public security bureau's fire department told media.
However, authorities said the cause of the blast is still under investigation, a local news agency reported. Another batch of firefighters arrived at around 11:16 pm, according to Zhou, roughly 14 minutes before the first warehouse blast occurred resulting in the death of a number of fire fighters.
The blasts, massive enough to register as seismic activity. So far more than 1,000 firefighters, 151 fire engines and a drone have been dispatched to the blast site, Zhou said.


Latest News from World News Desk