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Witnesses say power line falls on Carnival float in Haiti, killing about 20 people

  • A reveler who was injured during carnival celebrations waits for treatment at the  emergency room of the General Hospital in Port-au-Prince, Haiti, early Tuesday, Feb. 17, 2015. At least 20 people on a music group's packed Carnival float in the Haitian capital were killed Tuesday when they were electrocuted by a power line, officials said. The accident occurred as thousands of people filled the streets of downtown Port-au-Prince for the raucous annual celebration. People at the scene said someone on the float used a pole or stick to move a power line so the float could pass under it.( AP Photo/Dieu Nalio Chery)

    A reveler who was injured during carnival celebrations waits for treatment at the emergency room of the General Hospital in Port-au-Prince, Haiti, early Tuesday, Feb. 17, 2015. At least 20 people on a music group's packed Carnival float in the Haitian capital were killed Tuesday when they were electrocuted by a power line, officials said. The accident occurred as thousands of people filled the streets of downtown Port-au-Prince for the raucous annual celebration. People at the scene said someone on the float used a pole or stick to move a power line so the float could pass under it.( AP Photo/Dieu Nalio Chery)  (The Associated Press)

  • Injured revelers wait outside the General Hospital in Port-au-Prince, Haiti, early Tuesday, Feb. 17, 2015. At least 20 people on a music group's packed Carnival float in the Haitian capital were killed Tuesday when they were electrocuted by a power line, officials said. The accident occurred as thousands of people filled the streets of downtown Port-au-Prince for the raucous annual celebration. People at the scene said someone on the float used a pole or stick to move a power line so the float could pass under it.( AP Photo/Dieu Nalio Chery)

    Injured revelers wait outside the General Hospital in Port-au-Prince, Haiti, early Tuesday, Feb. 17, 2015. At least 20 people on a music group's packed Carnival float in the Haitian capital were killed Tuesday when they were electrocuted by a power line, officials said. The accident occurred as thousands of people filled the streets of downtown Port-au-Prince for the raucous annual celebration. People at the scene said someone on the float used a pole or stick to move a power line so the float could pass under it.( AP Photo/Dieu Nalio Chery)  (The Associated Press)

  • A woman who was injured during carnival celebrations is treated at the emergency room of the General Hospital in Port-au-Prince, Haiti, early Tuesday, Feb. 17, 2015. At least 20 people on a music group's packed Carnival float in the Haitian capital were killed Tuesday when they were electrocuted by a power line, officials said. The accident occurred as thousands of people filled the streets of downtown Port-au-Prince for the raucous annual celebration. People at the scene said someone on the float used a pole or stick to move a power line so the float could pass under it.( AP Photo/Dieu Nalio Chery)

    A woman who was injured during carnival celebrations is treated at the emergency room of the General Hospital in Port-au-Prince, Haiti, early Tuesday, Feb. 17, 2015. At least 20 people on a music group's packed Carnival float in the Haitian capital were killed Tuesday when they were electrocuted by a power line, officials said. The accident occurred as thousands of people filled the streets of downtown Port-au-Prince for the raucous annual celebration. People at the scene said someone on the float used a pole or stick to move a power line so the float could pass under it.( AP Photo/Dieu Nalio Chery)  (The Associated Press)

A power line has fallen on a float during the annual Carnival celebration in the Haitian capital, killing multiple people.

Witnesses say about 20 people may have been killed in the accident. It occurred before dawn Tuesday as thousands of people packed the streets of downtown Port-au-Prince for the raucous celebration.

Authorities were responding to the scene and it was not immediately possible to get an official casualty figure.

People at the scene said the accident occurred when someone on the packed float had used a stick or a pole to move a power line. Some managed to jump off the float and escape, sparking panic in the crowd.

Hundreds of people thronged the General Hospital, some carrying victims and others searching for family members brought by ambulance.