A Russian drone struck a train near the Ukraine- Poland border on Sunday shortly after senior visiting officials — including the former prime ministers of the UK and Sweden -- passed through, Ukraine’s state rail operator said. The strike hit a Warsaw-bound train near to the border a short time after another train carrying various foreign dignitaries passed through the same track. Key points and original sources are listed below.

• A Russian drone struck a train near the Ukraine- Poland border on Sunday shortly after senior visiting officials — including the former prime ministers of the UK and Sweden -- passed through, Ukraine’s state rail operator said.S1

• The strike hit a Warsaw-bound train near to the border a short time after another train carrying various foreign dignitaries passed through the same track.S2