In the midst of Typhoon Koppu's torrential rain

A powerful typhoon is battering the northern Philippines, with at least one person dead, several missing and thousands forced to flee their homes.

Typhoon Koppu made landfall near the town of Casiguran on the island of Luzon on Sunday morning, bringing winds of close to 200km/h (124mph).

The BBC's David Shukman reports from Luzon.