TIANJIN, China — China’s official Xinhua News agency says 12 firefighters are among the 44 people killed in massive explosions at a warehouse in the port city of Tianjin .
The blasts rocked the city late Wednesday, blowing out the windows of high-rise apartments and destroying office buildings.
A fireball appears to have swept through a parking lot of new vehicles.
Government officials and state media say the warehouse stored dangerous materials.
