Polish Prime Minister Beata Szydlo on Tuesday confirmed that the Berlin attack underlines the fact that Europe should be united in fighting terrorism.

In statements to the ABC new network, she added that the European countries should take firm and viable measures to protect their citizens.

She expressed condolences over the victims of the attack .

A truck plowed through a Christmas market on Monday night killing at least 12 people and wounding dozens more in Berlin.

Source: MENA