New York, May 1 -- A severe weather outbreak that covered a large stretch of the United States from Texas to the Northeast turned deadly in Pennsylvania, where at least two people were killed in storm-related electrocutions and nearly 250,000 customers were still without power on Wednesday.

The storm system on Tuesday brought tornado-strength winds to the region, and photos shared on social media by the National Weather Service in Pittsburgh showed trees down on power lines and houses, USA Today reported, citing forecasters.

Pittsburgh Public Safety said an unidentified male was pronounced dead after being electrocuted by live wires during the storm. In State College over 100 miles (about 160 km) away, police said a 22-year-old man died a...