Ukraine war briefing: Suspect arrested in killing of Putin critic may have Russian intelligence links

Polish police make arrest in artist Robert Kuzovkovs murder; Russia threatens huge group strikes after attack on Moscow. What we know on day 1,577A suspect in the fatal shooting of a Russian activist critical of Vladimir Putin has been arrested in Poland. Officials said they believe there may be a link to the man and a foreign intelligence service. Robert Kuzovkov was killed on Monday in Poland in what is seen as part of a possible Russian sabotage campaign in Nato nations. The suspect, a 36-yea...