NEW YORK (CBS 2) – The Fire Department is investigating a string of suspicious fires on Staten Island.

For the second straight day, brush fires broke out on Saturday in four different communities: Ocean Breeze, New Dorp Beach, Midland Beach and South Beach.

No homes or buildings were damaged.

One firefighter suffered heat exhaustion.

On Friday, several fires burned nearly a hundred acres of brush in Oakwood Beach.

No one was hurt.

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