One side of an apartment building collapsed just after 1 p.m. on Monday, killing four people and leaving one injured in the town of Datong, which is part of Tongling city in East China’s Anhui province. Photo: VCG

Rescue personnel clear rubble on Monday. According to reports from China National Radio, the collapsed building was constructed in 2001 and was made of brick and concrete. Photo: Han Suyuan/China News Service

An investigation into the collapse remains ongoing. Photo: Han Suyuan/China News Service

Local fire, emergency, and police departments, as well as civil society groups like the Blue Sky Rescue Team, participated in the rescue operation. Photo: Han Suyuan/China News Service

Rescue personnel conduct search and rescue operations at the site of the collapsed residential building on Monday. Photo: China News Service

The collapsed residential building. Photo: VCG