Poland 's Foreign Minister Witold Waszczykowski sent an official letter to Frank - Walter Steinmeier asking if there were any Polish citizens hurt during the events .
Frank - Walter Steinmeier is the German Minister of Foreign Affairs .
Poland 's Foreign Minister Witold Waszczykowski sent an official letter to Frank - Walter Steinmeier , the German Minister of Foreign Affairs , asking if there were any Polish citizens hurt during the events .