A fire broke out at Kai Tak Sports Park on Tuesday morning, but no one was hurt.
Police received a report at about 7:30 am that smoke was coming from the roof of the stadium.
The blaze was out before firefighters arrived.
Initial investigations suggested that the fire was caused by a short circuit in a charger.
Some construction material and equipment was destroyed.
The sports park is expected to commence operation in the first half of next year.