• U.K. Vows to Respond If Russian Ex-Spy’s Suspected Poisoning Linked to Moscow

    U.K. counterterrorism police aiding probe into sudden strickening of man and his daughter at mall

    U.K. Foreign Secretary Boris Johnson on Tuesday pledged to consider fresh sanctions on Russia if police conclude that Moscow was responsible for the suspected poisoning of a former Russian intelligence officer here over the weekend.

    Sergei Skripal, a 66-year-old former colonel in Russia’s military intelligence, and his 33-year-old daughter, Yulia, remained in critical condition in a hospital Tuesday after being found unconscious on a bench outside a shopping mall in this city in southwestern England on Sunday afternoon. Police...