Facebook has shut down their London offices after learning an infected employee from Singapore came in contact with several people within the office.

The Singaporean individual was last seen in a London office on 26 February, according to a Facebook spokesperson.

The premises were closed immediately and its facilities will be deep cleaned, it said.

“We are therefore closing our London offices until Monday for deep cleaning and employees are working from home until then.”

Facebook’s London office

The company is just one of the many major firms that have closed London offices in an attempt to stop the virus spread.

Facebook has over 3,000 employees across 3 different offices in London.