Weather forecast: Where is Typhoon Haiyan headed?
10 November 2013 Last updated at 13:39 GMT
More than 600,000 people have been evacuated from northern provinces of Vietnam as Typhoon Haiyan heads toward the country.
The BBC weather centre says the typhoon is expected to make landfall south of Hanoi on Monday morning local time (21:00 GMT Sunday to 03: 00 GMT Monday),
Philip Avery reports.