Fire has broken out at the Mriehel Industrial Estate, with fire fighters currently on site to try and control the flame.
No details have yet emerged on what might have caused it.
The Central Business District, as the area is also known, is home to many offices and factories. The public is being encouraged to avoid the area.
More information wll be published as it is received.
No injuries reported as part of Valletta shop ceiling collapses
The incident occurred at 10.20am on Friday
NCPE calls for Equality Impact Assessment before TCN Budget measures come into force
'Several of the measures have the potential to increase inequality among vulnerable groups,' it said
Malta’s business conditions remain below long-term average as retail activity contracts
Malta’s business conditions remain below long-term average as retail activity contracts