A person is winched from a rooftop of a home to safety by helicopter in the Esk Valley, near Napier, New Zealand. (New Zealand Defense Force via AP) Expand
A child is winched from a rooftop of a home to safety by helicopter in the Esk Valley, near Napier, New Zealand. (New Zealand Defense Force via AP) Expand

Close

A person is winched from a rooftop of a home to safety by helicopter in the Esk Valley, near Napier, New Zealand. (New Zealand Defense Force via AP)

A person is winched from a rooftop of a home to safety by helicopter in the Esk Valley, near Napier, New Zealand. (New Zealand Defense Force via AP)

A child is winched from a rooftop of a home to safety by helicopter in the Esk Valley, near Napier, New Zealand. (New Zealand Defense Force via AP)

A child is winched from a rooftop of a home to safety by helicopter in the Esk Valley, near Napier, New Zealand. (New Zealand Defense Force via AP)

/

A person is winched from a rooftop of a home to safety by helicopter in the Esk Valley, near Napier, New Zealand. (New Zealand Defense Force via AP)

A cyclone that left a devastating wake of extensive flooding and landslides in New Zealand has claimed at least four lives and police have “grave concerns” for other residents who remain unaccounted for, the prime minister said.

Cyclone Gabrielle struck the country’s north on Monday and has brought more destruction to this nation of five million than any weather event in decades.