Polish Prime Minister Donald Tusk has warned that Europe is in a “pre-war era” but is not ready for the possibility of a conflict that looms larger every day.

What: Hallonot — or "Windows" — a program about the Jewish culture and people in Poland before the German invasion 70 years ago. When: 6:30 to 8:30 p.m. Sunday.

(CNN) — Polish Prime Minister Donald Tusk has warned that Europe is in a “pre-war era” but still has a “long way to go” before its ready to confront the threat posed by Russia.