The Soviets broke off negotiations about a non-aggression pact , accusing the Poles of supporting the anti-Soviet White resistance .
The incident further damaged Soviet - Polish relations , already soured by the Polish - Soviet War of 1921 .
The Soviet broke off negotiations about a non-aggression pact , accusing the Poles of supporting the anti-Soviet White resistance .
The incident further damaged Soviet - Polish relations , already soured by the Polish - Soviet War of 1921 .