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00 — Incident Chronology: Rēzekne Drone Incident, 7 May 2026

Non-normative supporting document. Compiled from public reporting (LSM / eng.lsm.lv, Apollo, TV3, Meduza, Defense News, The Globe and Mail, Wikipedia "2026 Ukrainian drone incursions into Baltic states"). Times are local (EEST) and approximate where the public record is approximate.

Summary

During the night of 6–7 May 2026, several unmanned aerial vehicles entered Latvian airspace from the direction of Russia. Two drones came down on Latvian territory; one exploded at a fuel-storage facility in Rēzekne (~40 km from the Russian border), damaging four empty oil tanks. No casualties. The drones are assessed as stray Ukrainian long-range drones diverted off course — Ukraine's foreign minister later linked the diversion to Russian electronic-warfare jamming. The incident triggered a political crisis: the Defence Minister and, days later, the Prime Minister resigned.

Timeline

Time (7 May) Event
~03:30 VUGD receives several 112 calls about a possible fire at the oil-storage facility on Komunāla iela, Rēzekne.
04:09 Cell-broadcast warning issued to residents of Ludza and Balvi districts, at NBS request.
04:43 Cell-broadcast warning issued to Rēzekne district — roughly 40 minutes after Ludza/Balvi. Rēzekne city residents report having already heard/seen drones overhead about an hour before receiving the alert.
~05:30 NBS announces that two UAVs have crashed on Latvian territory; NBS, State Police and VUGD units deploy to the sites.
Morning One crash site confirmed at the Rēzekne oil-storage base. A second crash site is not yet identified (later associated with the Viļāni area, west of Rēzekne). A possible third drone is believed to have exited Latvian airspace.
Daytime Flights restricted up to ~6 km altitude in the eastern border region; commercial aviation unaffected. Schools closed in Rēzekne and Ludza; remote learning in Balvi. French NATO Baltic Air Policing jets scrambled during the alert.
~08:20–08:51 NBS declares the air-threat alert ended for Balvi, Ludza and Rēzekne districts.
12:00 Press conference in Rēzekne (AM / NBS / State Police).
~18:00 Eastern-region flight restrictions lifted.
Daytime Government Crisis Management Council convenes. PM Siliņa states the threat is "a consequence of Russia's war in Ukraine" and asks the Ministry of Defence to clarify why cell-broadcast warnings were issued only after the crash was reported.

Aftermath

  • 10 May 2026 — Defence Minister Andris Sprūds resigns. He had already survived an April Saeima no-confidence-style vote (43 for dismissal, 50 against).
  • ~14 May 2026 — Prime Minister Evika Siliņa resigns; the government falls.
  • The Foreign Ministry summoned Russia's chargé d'affaires; Ukraine's foreign minister later acknowledged the drones were Ukrainian and attributed the diversion to Russian electronic warfare.
  • The Ministry of Defence committed to review and improve the public notification / inter-institutional information-exchange algorithms. The Rēzekne incident was designated a central scenario for the "Pilskalns" civil protection exercise.

Prior incidents in the same series (context)

  • 7 September 2024 — A Russian "Shahed"-type drone fell in Gaigalava parish, Rēzekne district. After-action commitments were made then to speed up public notification.
  • 25 March 2026 — A stray Ukrainian drone crashed in Krāslava district (Dobročina); a parallel drone struck a power-station chimney in Estonia.
  • 3 May 2026 — Air-threat cell broadcasts in Alūksne, Balvi, Ludza, Rēzekne and Krāslava (~3.5 h); no drone crossed the border.

The 7 May incident is therefore the fourth comparable event in ~20 months, which is why the failure is framed publicly as an algorithm/process failure rather than a one-off.