New Delhi, Feb. 13 -- Cyclone Gezani killed at least 36 people, injured more than 370 and destroyed almost 18,000 homes across Madagascar, authorities said Thursday.

Madagascar's president has declared a national disaster and made a plea for international leaders to help the largely poor Indian Ocean island.

The tropical cyclone made landfall late Tuesday and caused widespread destruction in the main port city of Toamasina on the east coast before tearing across the country.

The National Office for Risk and Disaster Management said Thursday the death toll had risen to at least 36 while six people were missing. It said 374 people were injured and more than 250,000 people were affected by the storm.

Authorities said 32 of the deaths occ...