A Russian Mi-8 military helicopter briefly entered Polish airspace from the Kaliningrad exclave, Poland’s army said.

INTELLIGENCE SUMMARY

A Russian Mi-8 military helicopter briefly entered Polish airspace from the Kaliningrad exclave, Poland’s army said. The helicopter spent 42 seconds inside Polish territory, reaching about 300 metres beyond the border. Poland scrambled fighter jets and placed ground forces on standby, saying the incident appeared to test its air defense readiness.