Kathmandu, Aug. 27 -- A large barrier lake has formed in Nepal, with Chinese authorities warning that the lake is already overflowing and could breach as more water flows into it over the coming days.

China's Ministry of Water Resources estimated the lake's volume at about 2 million cubic metres as of Thursday morning. Another 3 million cubic metres of water is expected to enter the lake over the next three days, creating a high risk of a breach, China Central Television reported, according to the Global Times.

The lake has formed near the confluence of the Chhochen Khola and Purepu Tsangpo rivers in Nepal. Chinese authorities are closely monitoring its development and carrying out flood simulations to assess the possible consequences o...