The number of people confirmed dead in the US territory of Puerto Rico after Hurricane Maria has risen to at least 34 people.
Already accused of botching the government response, his remarks there have generated more controversy.
He says Puerto Rico's massive debt will have to be wiped out.
Earlier this year, the island nation filed the biggest bankruptcy in US municipal history with debts amounting to $72bn.
Al Jazeera's Shihab Rattansi reports from San Juan, Puerto Rico.