LONDON—The poisoning of a former Russian spy and his daughter was carried out with a nerve agent, British officials said Wednesday, in a targeted attack on British soil that threatens to escalate tensions between London and the Kremlin. Sergei Skripal, a 66-year-old former colonel in Russian military intelligence who has lived in Britain since a 2010 spy exchange, and his 33-year-old daughter, Yulia, were in critical condition after being found unconscious on a bench outside a shopping mall in southwestern England on Sunday afternoon....

Source: Wall Street Journal March 07, 2018 18:22 UTC