Haiti’s prime minister landed in Puerto Rico on Tuesday, clearing uncertainty around his whereabouts since a trip to Kenya, but questions on how and when he will return to Haiti still linger as gangs back home push for his ouster.

Humanitarian aid groups say they are chronically under-funded and workers have struggled to keep delivering services due to the violence.

Following an assessment of 500 testimonies, it found many families were skipping food for a day, over half of children were out of school, and a lack of money meant many felt they had no choice but to join gangs. Some 30% to 50% of gang members are estimated to be minors, the group said.

Support from abroad has been scarce. The U.N last year authorized a security mission but a deployment date has not been set. As of late February, the U.N. said five nations had formally pledged troops, with less than $11 million deposited into a fund.