The death toll from Typhoon Mangkhut and has risen to 69 in Philippine and China with dozens missing, authorities said.
A Philippine national police report said the death toll as of Monday midday was 65, with 43 people missing and 64 injured.
Chinese authorities reported four deaths from falling trees and building materials in Guangdong, China's manufacturing hub.
Many of the missing in the Philippines are gold miners and their families feared buried in a landslide after seeking shelter in a bunkhouse-turned-chapel in a village in Benguet province, reports AP.
Mangkhut weakened to a tropical storm Monday morning as it moved deeper into southern China, where rain and strong winds were expected to continue through Tuesday.
The storm battered the northern Philippines on Saturday before slamming into southern China on Sunday.
It was the most powerful typhoon to hit Hong Kong since 1979, packing winds of 195 kilometers per hour (121 mph).
The Hong Kong Observatory warned people to stay away from the Victoria Harbour landmark, where storm surges battered the sandbag-reinforced waterfront.
Chinese state media say more than 2.45 million people have been relocated in southern China's Guangdong province to flee Typhoon Mangkhut.