Two drones were used in a practice drill for extinguishing a fire in a high-rise building in the central business district in Guangzhou, Guangdong province, on Tuesday.

The simulated fire involved the 18th floor of a 284-meter-tall office building.

A total of 240 officers, 34 fire engines, a helicopter, a robot and two thermal imaging devices joined in the firefighting, and search and rescue of people.