Typhoon Wipha has toppled trees and caused major flight disruptions in Hong Kong and at some nearby airports in China as it moved west off the country’s southern coast.

Vietnam braced for Typhoon Wipha on Monday as coastal provinces were placed on emergency alert and airlines canceled flights ahead of the storm’s expected landfall early Tuesday.

Tropical Storm Wipha made landfall in northern Vietnam on Tuesday, bringing strong winds and heavy rain to parts of the country’s north and central regions.