Man shot dead near parliament after stabbing in London

LONDON, UNITED KINGDOM - MARCH 22: People gather around the Big Ben Clock Tower, north end of the Palace of Westminster, after at least one man was shot dead by police outside Parliament Square after stabbing a police officer in London, United Kingdom on March 22, 2017. At least one man was shot dead by police outside the U.K. parliament Wednesday afternoon after stabbing a police officer, said Commons Leader David Lidington. Metropolitan police say they are treating the incident as a terrorist incident until they know otherwise. Parliament Square is under a complete security lockdown with all entrances and exits suspended, with all roads into the square cordoned off by police. Following the incident, armed anti-terror officers went inside the parliament building.