UPDATE: Wilkes-Barre Houses Damaged by Fire

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UPDATE TUESDAY -- The fire was intentionally set, according to Wilkes-Barre fire officials.

WILKES-BARRE -- Fire damaged three houses in Luzerne County Monday morning.

It broke out before 11 a.m. in the 300 block of Blackman Street in Wilkes-Barre.

The fire chief said two houses were on fire when they arrived. One was vacant and investigators are checking to see if anyone lived in the other house.

Siding on a third home was also damaged.

No one was hurt.

Investigators have not determined the cause.