LEXINGTON, Mass. (AP) – Two people have been killed in separate fires in Massachusetts.

Worcester fire officials say one person died in a blaze in a vacant house early Saturday. And the state fire marshal said a 48-year-old mother in Lexington died in a fire at her house.

Neither victim has been identified.

State Fire Marshal Stephen Coan said the Lexington fire started when lint buildup in a dryer smoldered, then ignited around 5 a.m.

He said the fire went out a pipe, then spread up the outside of the house onto the first floor.

Two children were able to escape out a window onto a porch roof. But the woman was found dead on the second floor.

The Worcester fire started at about 1 a.m. and the house was engulfed when firefighters arrived. The cause is under investigation.

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