Competitors grumble over problems with Hong Kong's first ever drone contest
The first drone aerial photography and racing contest in the city on Sunday appeared to leave some participants unhappy about the limited space available, abrupt rule changes and radio signal interference.

The first drone aerial photography and racing contest in the city yesterday appeared to leave some participants unhappy about the limited space available, abrupt rule changes and radio signal interference.
The FlyHK competition was held at the Hong Kong Adventist Academy, attracting 22 drone fans eager to show off their manoeuvring skills.
Competition organiser Terry Chan Wai-nok said he hoped to promote drones to a wider audience and wanted the event to become an annual carnival.
Watch: Dozens join Hong Kong’s first ever drone racing and videography competition
The competition also served as a platform for people to exchange tips. "I have seen a lot of new models here," amateur drone enthusiast Sam Pang said.