A male nurse of Indian nationality, aged 36, on Saturday was charged with assaulting his female colleague, aged 41, also an Indian national.
The names of the two are withheld on the order of Magistrate Carioline Farrugia Frendo.
The male nurse was accused of assaulting his colleague causing her grievous injuries. The incident happened on Thursday.
He pleaded not guilty and was remanded in custody.
Bail was denied on the grounds that witnesses still have to testify.
Lawyer Giuliana Magro Conti from the AG's Office and Inspector Michael Vella prosecuted.
Lawyer Amadeus Cachia is assisting the accused.