A massive fire that destroyed a large shopping center in Warsaw last year was the result of arson ordered by Russian intelligence services, Polish officials said Sunday on the eve of the one-year anniversary of the blaze.

Polish Foreign Minister Radek Sikorski says is ordering the closure of Russia’s consulate in the southern city of Krakow after Polish authorities said Russia was responsible for a fire that destroyed a shopping center in Warsaw last year.

Poland says it has evidence that Russia was behind a fire that destroyed a Warsaw shopping center last year. It said it was closing the Russian Consulate in Krakow in response.