Shooting sparks 'gang warfare'

Police are still actively investigating a Thursday afternoon gang-related shooting in Glen Hazel which they said likely sparked a second retaliation shooting Thursday night. Subscribe to WTAE on YouTube now for more: http://bit.ly/1emyOjP Get more Pittsburgh news: http://www.wtae.com/ Like us: http://www.facebook.com/wtae4 Follow us: http://twitter.com/WTAE Google+: http://plus.google.com/+wtae