A medical helicopter was called after a tree-trimming crew accidentally cut a power line in Butler County.

A helicopter caused a widespread outage that knocked out power for thousands of people on Thursday in Cary and Morrisville. At its peak, Duke Energy's outage map showed nearly 22,000 customers without ...

Add Yahoo as a preferred source to see more of our stories on Google. Check out this incredible sight as a helicopter carries a giant spinning aerial saw to trim trees alongside high-voltage power ...