Seven wild boar from three locations in Latvia have tested positive for African swine fever.

The country's veterinary authority reported its findings to the World Organisation for Animal Health (OIE) earlier this week.

The boar, which were shot in the country's Eastern region, not far from the Russian border, were tested between 29 June and 2 July.

The discovery comes after EU authorities took an ongoing row with Russia over pig and pork imports to the World Trade Organisation. On Monday, Commission officials said Russia's ban on EU imports, which was ostensibly introduced in response to the detection of ASF in Lithuania and Poland in January, was "disproportionate" and "unjustified."

A Commission spokesperson added, "There is little doubt that the disease spread from Russia to Belarus and from Belarus to the EU." The dead boar found on EU territory in January were discovered close to the Belarus border. ASF has been present in Russia since 2007, affecting both wild boar populations and commercial pig farms.