CNN aviation correspondent Richard Quest said images of the airliner could indicate that the front landing gear collapsed and that the plane slid. That would possibly lead to a fire, he said.
All flights departing from Dubai have been delayed until 5 p.m. local time and all incoming flights are being diverted to other airports, the Dubai government media office tweeted on its official account.
http://www.cnn.com/2016/08/03/middleeast/dubai-airport-emirates-flight-emergency-landing/