This is what we know so far:
NewsLondon terror attack - what we know so farBy The Newsroom Published 23rd Mar 2017, 12:00 GMTUpdated 24th Mar 2017, 10:09 GMTA massive police operation is under way after a terror attack in Westminster, in the heart of London.This is what we know so far:Police officers conduct a fingertip search on Parliament Square. PIC: PAContinue Reading Related topics:London