BACOLOD CITY — A sudden whirlwind hit the coastal communities of Hinigaran, Negros Occidental on Thursday morning, causing partial damage to 20 homes, according to Mayor Grace Arceo.

The roofs of the affected houses were blown off, the mayor said.

The Provincial Disaster Risk Reduction and Management Office (PDRRMO) said the incident occurred at around 6:45 a.m., catching residents by surprise as swirling winds ripped through the communities.

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The partially damaged houses were in Punta Pasil of Barangay Tagda-8, Sitio Raming of Barangay Pilar-7, and Punta Tanulo of Barangay Pilar-3, the PDRRMO said.