Around 11h on 6/1, ice began to form on tree branches and grass, steadily growing thicker.

"The temperature was -1°C, with winds so strong it was hard to stand, and the air was freezing", Dinh Hoi, a local resident, stated at 12h. The ice covered an area of over 100 meters.

Thick ice covered tree branches, 6/1. Photo: Dinh Hoi.

Phia Oac, at 1,931 m in Thanh Cong commune, is Cao Bang province's second highest peak. It frequently experiences ice and snow during severe cold spells in the North.

People taking photos with ice. Photo: Dinh Hoi.

Today marks the second day the North has been affected by an intensifying cold front, with minimum temperatures in 15 provinces and cities dropping below 15°C. Sa Pa (Lao Cai), Dong Van (Tuyen Quang), and Tam Dao (Phu Tho) all recorded 6°C. In Hanoi, temperatures fell below 12°C, prompting the meteorological agency to issue a public health warning.