A forest fire that started Saturday morning?in a Heilongjiang nature reserve was put out around 8 p.m., according to the local forest fire prevention headquarters.

The forest fire, which broke out at around 9:30 a.m. on the Nanweng River Nature Reserve in the Greater Hinggan Mountains, had been extinguished as of 8 p.m. with the help of thousands of soldiers and rescuers, the headquarters said.

An initial investigation showed the fire was caused by a lightening strike, according to the headquarters.

No casualties have been reported.?