Heat wave continues to envelop half of US after storms hit Northeast

After the recent blackout in New York City, officials said the grid would hold up as the city braced for 100-degree temperatures this weekend. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/2xTzVtR WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight