March 26, 2015 4:30 pm WATCH: Massive Building Explosion in Lower Manhattan A building in lower Manhattan exploded on Thursday, March 26, 2015. US & World Videos 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 1:59 TikTok's Maddy Baloy dead at 26: Gordon Ramsay and Tay Lautner pay tribute 3:04 Progress being made on demolition of overpass on I-95 in Norwalk 2:58 Demolition begins on I-95 after explosion in Norwalk