NEWS, WASHINGTON. WELL, HAPPENING NOW, SKY 4 PITTSBURGH'S ONLY NEWS CHOPPER IS OVER. THE JEFFERSON REGIONAL MEDICAL CENTER IN JEFFERSON HILLS. WE'RE GIVING YOU A LIVE LOOK HERE AT YOUR SCREEN. YOU CAN SEE WHAT'S GOING ON AS THIS IS UNFOLDING. WE CAN SEE FIREFIGHTERS FOCUSING ON THE ROOF OF THE BUILDING THERE. WE'RE WORKING TO LEARN WHAT EXACTLY IS GOING ON AND IF OR HOW THIS IS IMPACTING ANY PATIENTS AT THE MEDICAL CENTER. WE, OF COURSE, WILL LET YOU KNOW MORE JUST AS SOON AS WE HAVE THOS