Asia's most powerful typhoon this year, Yagi, has killed 14 people in Vietnam and injured 176 others after making landfall in the country, according to Vietnamese state media.
The super typhoon has already been downgraded to a tropical depression, but authorities have warned of risks of flooding and landslides as the storm moves west.
The Indo-Pacific Tropical Cyclone Warning Center said the storm hit Hai Phong and Quang Ninh provinces in Vietnam with strong winds of up to 203 km/h (126 mph).
Yagi lifted roofs and uprooted trees in the country's capital, Hanoi, causing power outages in the region, according to BBC.
Vietnamese state media reported that three people died due to the storm in the northern province of Quang Ninh on Saturday and another person died in Hai Duong.
BBC Four members of a family were also reported to have died in a landslide when Yagi made landfall in Hoa Binh province, a mountainous region, around midnight on Saturday.
Among the family members, a 51-year-old man managed to escape when the slope collapsed on his house, but his wife, daughter and two grandchildren died.
AFP The news agency reports that the four bodies were later recovered.
Several areas of the port city of Hai Phong were submerged under 50 centimeters of water on Sunday when Yagi swept through the city, damaging power lines and electricity poles. AFP information.
The city, home to two million people, was hit by the storm with prolonged power outages.
More than 50,000 residents were evacuated from Vietnam's coastal areas as authorities stressed and issued a warning to stay indoors as the typhoon battered the country. BBC States.
Calm returned to Hanoi, a city of 8.5 million people, on Sunday morning after strong winds and rain overnight caused widespread damage, leaving toppled trees scattered across the city center and other neighborhoods.
Hanoi's Noi Bai International Airport, the busiest in northern Vietnam, has reopened after closing on Saturday morning, state media reported.
The government said Yagi had caused waves of up to 4 metres (13 feet) high in coastal provinces, where rescue operations for those missing at sea were expected to begin on Sunday when conditions permitted.
In Hainan, preliminary estimates suggested significant economic losses and widespread power outages, according to emergency response authorities cited by the state government. Hainan Diary.
BBC suggest that Yagi, though now weakened, is expected to reach Laos, whose capital, Vientiane, is 1,094.9 kilometers from Vietnam, on Sunday night.
Yagi had previously caused devastation in China and the Philippines, killing at least 24 people in the two countries, damaging infrastructure and disrupting the lives of thousands.
— Additional information from Reuters
