Lao Cai (VNA), July 6 -- Torrential rain and heavy floods over the weekend have caused almost damage worth almost a half million USD to northern mountainous provinces.

Between 100 and 250mm rain fell in Lao Cai from July 2-4 damaging 16 houses and flooding 33.4ha of farm land in Bat Xat district, according to local authorities.

The heaviest downpour was recorded in Bat Xat district with a capacity of 243.2mm.

Key roads in Coc My and Trinh Tuong communes and provincial road 156B suffered from landslides, causing traffic congestion.

The losses the district suffered were estimated to reach more than 10 billion VND (435,000 USD).

Lao Cai city had 12 houses damage d and a concrete bridge in Cam Duong commune collapsed.

A dam in Bao Thang...