Houses of Parliament offices have been evacuated today.
The incident on Monday afternoon saw staff leave their offices.
Norman Shaw North office workers are said to have left the building.
MPs and office workers are among those affected.
Several ambulances from the Incident Response Unit are on the scene now, pictures on social media show.
The emergency services responded just before 1pm.
Norman Shaw Buildings is situated at Victoria Embankment, Westminster.
“Specialist officers attended and the package is being assessed,” they said.
London Ambulance Service attended. but no one required hospital treatment, they confirmed.
A Parliamentary spokesperson added: “We are aware of a potential situation involving a suspicious substance which the Met Police are investigating.
“We cannot provide any more details at this stage.”
Source : BirminghamMail