A fire has been reported at the Housing Authority premises in Floriana, the police said.
No injuries have been reported as of this time, the police said.
The building in Pietro Floriani Street was evacuated as firefighters were called in to control the blaze.
The cause of the fire is unknown.
In a statement, the parliamentary secretariat for social accommodation said that the fire developed at around 1.30pm and was immediately brought under control
It did not say what kind of damages were caused.