Britain and Australia said they were investigating reports that Russia had already used them. Ukraine’s military is preparing for a major assault in the east.
A prosecutor-general's office says it has arrested a Russian national on suspicion that he allegedly collected information about Poland's military units, their supplies, and staff members at the request of Russian intelligence
Ukraine Live Updates: Putin Defends War as Allies Warn of Dangerous New Phase in Fighting nytimes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nytimes.com Daily Mail and Mail on Sunday newspapers.