A flock of around 100 rare and endangered Oriental Darters has appeared at a tourist site in the southern province of Dong Nai.

The Philippine Coast Guard on Friday raced to offload 1.4 million litres of industrial fuel oil from a sunken tanker and prevent an "environmental catastrophe" in Manila Bay.

Vu Quang National Park in the central province of Ha Tinh co-operated with relevant local agencies on July 23 to release a total of 36 rare animals back into the wild.

Some canals and reservoirs in the central city of Danang have seen massive fish deaths, causing severe pollution.

Tropical storm Prapisoon lost its strength into a tropical depression before making landfall over the northern coast of Vietnam on July 23 morning, bringing heavy rain to northern localities, even north-central localities.

A tropical depression that formed in the East Sea on July 19 is gathering steam and is likely to strengthen into a storm, said the National Centre for Hydro-meteorological Forecasting in a forecast on July 20.

Authorities in the northern central province of Thanh Hoa have just fined the Tam Viet Company VND120 million after their pig farm polluted a local stream.