The British Prime Minister, Theresa May, says the man who carried out an attack on Westminster was known to security forces. Eight people have been arrested following the killing of three people on Wednesday outside the Houses of Parliament.
Also in the programme: Thousands attend the funeral of former IRA commander turned First Minister of Northern Ireland, Martin McGuinness, in Londonderry. And the Taliban take control of Sangin.
(Photo: Armed police officers near the Houses of Parliament in central London. Credit: AFP /Getty Images)