Heavy downpours have wreaked havoc in southwest China's Sichuan Province since Saturday, with several areas recording 100 millimeters of rain. The deluge grounded dozens of flights and triggered mudslides that inundated highways.

Heavy downpours have wreaked havoc in southwest China's Sichuan Province since Saturday, with several areas recording 100 millimeters of rain. The deluge grounded dozens of flights and triggered mudslides that inundated highways.

Elsewhere in Sichuan. 125 people were sickened by a chemical plant gas leak from a factory damaged by a mudslide in Dujiangyan. Sixty people remain hospitalized. An initial investigation indicates that the leaked gas was chlorine.

Relentless rain caused mud-and-rock slides, cave-ins, and change of river courses in Wenchuan county, Sichuan Province

Rain-triggered mudslides damaged several highways in Wenchuan, stranding up to 7-thousand vehicles.

National highway 2-1-3 and provincial highway 3-0-3 were both cut off at a number of sections.

A section of road stretching more than 100 meters was destroyed on national highway 2-1-3 in Yinxin Township.

Police directed traffic at a number of highway sections, as workers scrambled to repair the damaged roads.

Police said they had no idea when normal traffic conditions could resume.

Torrential rains also lashed Sichuan's provincial capital Chengdu on Sunday afternoon.

Many parts of the city were flooded, severely affecting traffic. Dozens of flights also remained grounded at the city's Shuangliu International Airport.

Nearly half of Air China's 124 flights due to depart from Chengdu were delayed.

The rain also forced Air China to redirect 20 flights bound for Chengdu.