Briefly

Four die in Zhengzhou residential building fire

A fire in a residential building left four people dead early Sunday morning in Zhengzhou, Henan province, local authorities said. The city's fire rescue department said firefighters arrived at the scene at 3:12 am, six minutes after receiving an emergency call. The fire burned an area of about 90 square meters and its cause is under investigation.

Team studies climate change in Xizang lake