ALLENTOWN, Pa. (AP) — Officials say the scorching heat wave that pushed temperatures into triple digits claimed the lives of three more elderly people in Pennsylvania.

The Lehigh County coroner’s office says 90-year-old Lillian Kuzmak was pronounced dead Monday morning of hyperthermia due to excessive heat at her Weisenberg Township home. Officials said the air conditioning wasn’t turned on and it was about 100 degrees in the home.

Earlier, the Lehigh County coroner’s office said 86-year-old Llan Gacel died Saturday of hyperthermia after temperatures in his Allentown home topped 90 degrees

In Philadelphia, Health Department spokesman Jeff Moran says an 80-year-old woman found dead Sunday died of heart disease and heat exposure.

The National Weather Service says Philadelphia recorded a high of 90 on Monday, extending the long heat wave into a 12th day.

(Copyright 2012 The Associated Press.)