At Birdwhistles Guesthouse, in a rustic two-storey wooden barn in the Latvian forest 50 km from the Russian border, all eight rooms are vacant, which absolutely never happens this time of year, says the owner, Martins Kiscenko.
Two wedding parties had been booked to stay, but the couples cancelled at the last minute, because they didn't want their guests to have to scramble for shelter from a drone alert.
