The massive explosions in China's northern city of Tianjin are now known to have killed at least 50 people.
More than 700 have been injured and hospitals are struggling to cope with the number of casualties.
The blasts, at a warehouse storing toxic chemicals, destroyed tower blocks and burned out thousands of cars. The fireball could be seen from space.
Twelve firefighters are among those who lost their lives; 36 of their colleagues are still missing.
Tianjin is one of China's most important industrial centres, and one of the busiest ports in the world.
President Xi Jinping has promised a thorough investigation into what happened and "transparent information disclosure to the public
- See more at: China explosions: Dozens killed in Tianjin port blasts