Poland's prime minister, Donald Tusk is calling it a 'likely' 'provocation'.
Russia's refusing to answer questions about a drone incursion into Poland's airspace.
The country's prime minister, Donald Tusk says there were 19 'intrusions' into Polish airspace overnight during a wave of Russian strikes on Ukraine calling it a 'likely' 'provocation'.
Kremlin spokesperson Dmitry Peskov says it's a matter for the Ministry of Defence.
Mark Rutte, the NATO Secretary General says it emphasises the importance of the alliance:

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