A tourist boat capsized during a sudden thunderstorm in Vietnam on Saturday afternoon during a sightseeing excursion, killing five people and leaving dozens of others missing, state media reported.

Twenty-eight people have died after a tourist boat capsized in Vietnam in bad weather, according to local reports.

Typhoon Wipha, the third to hit the South China Sea this year, is projected to make landfall along Vietnam's northern coast early next week.

A thunderstorm weather warning has been issued for the south-east of England. The yellow weather warning, covering Kent, Sussex and Surrey, begins at 11:00 BST on Monday and will run until 21:00. The Met Office issued the warning, saying a few places "could see 30 to 50mm of rain within a couple of hours" in the afternoon and early evening.