Rescuers have begun to reach areas of the northern Bahamas devastated by Hurricane Dorian, with aerial images showing a trail of destruction.
Prime Minister (PM) Hubert Minnis said some areas had been “decimated” and expected the current death toll of seven would rise.
The hurricane winds that hit the Abaco Islands equaled the highest ever recorded at landfall, and Grand Bahama also suffered severe damage and floods.
Dorian has moved off north but still threatens the eastern US seaboard.
Although the hurricane has weakened to a category two storm with maximum sustained winds of 105mph (165km/h), it has grown larger in area.
Mr Minnis confirmed the death toll had risen from five to seven, but added: “We can expect more deaths to be recorded. This is just preliminary information.”
It was “one of the greatest national crises in our country’s history,” he said.
Lia Head-Rigby, who runs a relief group and overflew the Abacos, said her representatives had told her there were “a lot more dead”.
“It’s total devastation. It’s decimated. Apocalyptic,” she told the Associated Press news agency.
Aerial images over the Abacos, including the town of Marsh Harbour, showed mile upon mile of destruction, with roofs torn off, scattered debris, overturned cars, shipping containers and boats, and high water levels.
Opposition leader Philip Brave Davis described the scenes from a flight over the islands as a “horrible sight”.
Parts of the Bahamas received up to 35inches (89cm) of rain.
The situation on Grand Bahama is less clear, as Dorian only moved on late on Tuesday after nearly two days of pummeling, cutting many communication lines.
Mr Minnis said major relief agencies had yet to get through.
Most rescue work was being done on an ad hoc basis by locals using boats and jet skis, but it was being hampered by flooded roads, fallen trees and submerged debris.
One survivor in Freeport on Grand Bahama, crab fisherman Howard Armstrong, told CNN floodwaters had reached the roof of his house and his wife “got hypothermia and she was standing on top of the kitchen cabinets until they disintegrated… I kept with her and she just drowned on me”.
Mr Minnis said: “Our priority at this time is search rescue and recovery. It will take all of us as a caring community – government, church, businesses and individuals – to help restore the lives of our people.” –BBC