On 6 May 2024, the U.S. Embassy in Vilnius issued a Security Alert, which reads in part as follows: “The Lithuanian government and military have announced that they plan to organize civil defense drills across the country from May 1-9, 2024 as part of the “Thunderstorm 2024” military exercises. Drills in the Virsuliskes and Paneriai neighborhoods of Vilnius and in the Palemonas neighborhood of Kaunas will take place from 10:00 p.m. on May 7 to 5:00 a.m. on May 8, 2024. According to the government, these drills will include a simulated curfew, vehicle checkpoints, and document checks. Simulated sound, smoke, and concussive grenades may be used.”