Heavily armed gangs tried to seize control of Haiti’s main international airport on Monday, exchanging gunfire with police and soldiers in the latest attack on key government sites in an explosion of violence that includes a mass escape from the country’s two biggest prisons.

The attack occurred just hours after authorities in Haiti ordered a nighttime curfew following violence in which armed gang members overran the two biggest prisons and freed thousands of inmates over the weekend.

Prime Minister Ariel Henry traveled to Kenya last week to try to salvage support for a United Nations-backed security force to help stabilize Haiti in its conflict with the increasingly powerful crime groups.

The Biden administration, which has refused to commit troops to any multinational force for Haiti while offering money and logistical support, said it was monitoring the rapidly deteriorating security situation with grave concern.

The surge in attacks follows violent protests that turned deadlier in recent days as the prime minister went to Kenya seeking to move ahead on the proposed U.N.-backed security mission to be led by that East African country.

Kareen Ulysse  who operates Centre Hospitalier de Fontaine, a hospital and orphanage in Cite Soleil, a suburb of Port au Prince, is also a Haitian American working in Haiti, CBS Miami reported.

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