A massive fire has engulfed a luxury hotel in Dubai close to the Burj Khalifa tower where thousands of people were gathering for a New Year’s Eve fireworks display, according to government officials and eyewitnesses. Bloomberg's Justin Carrigan has the latest on "Bloomberg Markets. The cause of the blaze was not immediately known. The building is close to Burj Khalifa, the world's tallest tower, was engulfed in flames across several floors as sirens wailed and helicopters hovered overhead, witnesses said.