DUBAI, July 20, 2016 (Xinhua) -- A rescue worker seals off the surroundings of the tower in Dubai, UAE, on July 20, 2016. The 75-storey high Sufala Tower in Dubai caught fire Wednesday in the lower levels of the building, triggering a massive evacuation as civil defense and police were fighting the blaze. There were no immediate reports about casualties. (Xinhua/Gerard Al-Fil)