BBC Verify has geolocated video footage which appears to show the early stages of a fire at a high-rise public housing complex in Hong Kong – and how fast the blaze took hold.
The video shows a fire in Wang Cheong House which tallies with an account given by the deputy director of Hong Kong Fire Services, Derek Armstrong Chan, who confirmed the location the fire started.
According to the person who posted the video on social media site Threads, they heard banging sounds before seeing the fire at 14:51 local time (06:51 GMT).
They said the first firefighters arrived six minutes later, by which time the fire had spread to the fourth floor.
The blaze, which has spread through seven tower blocks in Tai Po district, has killed at least 55 people, while nearly 300 remain missing.
