The head of Poland’s National Security Service today did not rule out provocation over the Dec. 29 violation of national airspace by an object Warsaw identified as a Russian missile.

“I can’t rule it out. Not even our allies can rule it out,” Jacek Siviera said in an interview with TVN24 when asked about the possibility that the violation of Polish airspace was not accidental but a deliberate provocation.

“It is difficult to assume that a penetration 40 kilometers deep from the Polish border was accidental. This kind of trajectory blatantly violates national airspace,” he said.

Polish military officials said in late December that an object identified as a Russian guided missile violated national airspace on December 29 from the Ukrainian side of the border before exiting three minutes later.

Russian chargé d’affaires in Warsaw Andriy Ordas, who was called to give an explanation to Poland’s foreign ministry, said he had not received any evidence of a violation of Polish airspace, as reported by the Russian news agency RIA Novosti.

Siviera estimated that the moment was not accidental, given the change of baton in the Polish government and the leadership of the country’s armed forces. “The Kremlin leadership knows that, at a very difficult time in Poland, a government that has not been in power for eight years is taking over the reins,” he said. “For this reason, the risk from such tests is high,” he added.

The head of the National Security Agency also did not hide his concern about the reported problems with the operation of the satellite positioning system (GPS) in Poland and other Baltic countries, which, however, did not appear to affect the corresponding GLONASS system used by Russia .