Tropical Storm Oscar chugged toward the Bahamas on Tuesday after making landfall in Cuba as a Category 1 hurricane, killing at least six people as it unleashed heavy rains on an island also hit by

Oscar, which the National Hurricane Center characterized as "very small," is the 15th named storm of the hurricane season.

Cuba has had four electric grid collapses since Friday, and most of the country remains in the dark as slow progress is made to restore power.