A blaze tore through a warehouse in the Al Quoz Industrial Area on Sunday.
Dubai Civil Defence teams are at the site and trying to fight the fire.
Chemical materials were stored in the warehouse.
Dubai Civil Defence Operations Room received a report of the fire at 11.09am.
Crews were dispatched immediately and arrived at the scene 11.13am.
At 11.16 pm, the field in-charge officer reported that fire had spread and more firefighting crews were sent to the site.