Witnesses reported hearing shots ringing out in the vicinity of Toussaint Louverture Airport as security forces clashed with armed men.
The gangs’ aim is to prevent the return to Haiti of Prime Minister Ariel Henry, who is believed to be abroad.
Violence has spiralled in his absence with the gangs demanding he resign.
Henry left Haiti last week to attend a regional summit in Guyana. From there, he travelled to Kenya to sign a deal on the deployment of a multinational police force to Haiti.
His current whereabouts are not known but a spokesman for the US state department said they believe the prime minister is returning to the country.
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