The Latvian Army confirmed this morning that one unmanned aerial vehicle (UAV) had entered and exited the country's airspace.Recent file photo of a Finnish F/A-18 Hornet fighter jet. Image: Jussi Lindroos / YleYle News11:54Finnish F/A-18 Hornet fighter jets were seen and heard flying over the regions of Southeastern Finland and Pirkanmaa on Sunday morning.Yle has received confirmation from the Finnish Defence Forces (FDF) that the country has intensified surveillance of the area.on Sunday morning, authorities in Latvia issued a public warning about a possible drone in Lativian airspace. Later in the morning, the Latvian Army confirmed that one unmanned aerial vehicle (UAV) had entered and exited the country's airspace.Russian state media has reported that at least three people had been killed near Moscow after Ukraine targeted Russia with more than 500 drones throughout the night before Sunday.Early on Friday morning, Finnish authorities responded to intelligence that armed drones were headed towards Finland's region of Uusimaa, prompting officials to issue a public warning. However, the alert was called off about three hours later, after no stray drones had been detected.Finnish fighter jets are also scheduled to take part in flyovers at two Remembrance Day events in Tampere and Kuopio on Sunday at noon.