More than 40 million people in the U.S. were under heat alerts Friday, according to the National Weather Service.

According to the department's official -- and cursory -- report of the one-alarm fire in Feltonville, Pa., one firefighter spent 15 minutes making a "primary search" for Delimar, then 10 days old.

May 1 marked May Day, also known as International Workers Day. Protests in Center City led to 70 arrests after demonstrators blocked traffic, prompting police action over safety concerns.