- Tusk: Ukrainians working for Russia behind rail sabotage RTE.ie
- Two Ukrainians working for Russia behind rail sabotage, Polish PM says BBC
- Ukrainians working for Russia were behind rail blasts, alleges Polish PM The Guardian
- Railway bombing an 'unprecedented act of sabotage', Poland's PM says Sky News
- Polish railway explosion an 'act of sabotage', says Tusk RTE.ie
