Typhoon Dolphin makes landfall in China as its strongest storm this year

Tropical cyclone brings torrential rain and high winds to east coast after hitting Japan's southern Okinawa province

Typhoon Dolphin, the most powerful tropical cyclone to hit China this year, has made landfall on the country's east coast, bringing torrential rain and strong winds and triggering warnings of flooding and landslides.

The storm has already swept through Japan's southern Okinawa prefecture, injuring six people and cutting power to more than 50,000 buildings.