A spokesman for the Commons said of the investigation: "The Police are now investigating an incident on the Parliamentary Estate".
The Metropolitan Police are investigating a suspicious package that had been delivered to an office within the Palace of Westminster.
Counter terror cops were called in to inspect the substance which was later ruled not to be harmful
The incident comes just a day after Donald Trump Jr.'s wife and two others were taken to a hospital after opening a letter containing powder that was delivered to the couple's New York City apartment. The workplace stays shut as of now, however whatever remains of the Palace of Westminster is open'.
Police counterterrorism detectives are investigating the incident.
A Met Police spokeswoman said: 'We are still looking in to it'.
Batman Ninja - watch a trailer for the caped crusader's latest animated adventure
The Batman Ninja anime movie has been assigned a USA release date, as well as receiving one final trailer from Warner Bros . As far as the trailer goes, you can see Batman and Bane, who have been inexplicably transported to feudal Japan.
The discovery comes just a day after Donald Trump Jr's wife Vanessa was rushed to hospital in NY after opening a letter with white powder inside.
A heavy police presence was reported near a ministerial corridor in the House of Commons, where some government ministers have their offices.
A House of Commons representative affirmed before that officers were "examining an episode".
Plane crash pilot error
Russia's Emergencies Ministry confirmed the crash of the An-148 plane shortly after it took off from Moscow's Domodedovo airport. Rouhani also wished health and success for President Putin and glory for the Russian people and government.
A police vehicle leaves the Palace of Westminster during the investigation into a suspect package.
Britain's parliament is now in recess, which means most ministers are not in Westminster.
Taylor Swift's 7 Stylish Looks to Follow
On the 1989 tour, she was constantly donning the skater skirt and jazzing it up with an assortment of crop tops and sports coats. She attended her first Academy of Country Music Awards just five months before her first album was released, that was in 2006.